Company: CGCT
Filing Date: 2025-05-01
Form Type: S-1MEF
Source: 0001104659-25-043663
Chunk: 2

Company: Cartesian Growth Corp III
Filing Date: 2025-05-01
Form: S-1MEF
Chunk 2
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 the holder thereof
to purchase one Class A ordinary share at a price of $11.50 per share, subject to adjustment, and only whole warrants are exercisable.
This Registration Statement relates to the Registrant’s Registration Statement on Form S-1, as amended (File No. 333-2284565) (the
“Prior Registration Statement”), initially filed by the Registrant on January 29, 2025 and declared effective, as amended,
by the Securities and Exchange Commission (the “Commission”) on May 1, 2025. The required opinion of counsel and related
consent and accountant’s consent are attached hereto and filed herewith. Pursuant to Rule 462(b), the contents of the Prior Registration
Statement, including the exhibits thereto, are incorporated by reference into this Registration Statement

<div align='center'>CERTIFICATION</div>

The Registrant hereby certifies
to the Commission that (a) it has instructed its bank to pay the filing fee set forth on the cover page of this Registration Statement
by a wire transfer of such amount to the Commission’s account at U.S. Bank as soon as practicable (but no later than the close of
business as of May 2, 2025), (b) it will not revoke such instructions, (c) it has sufficient funds in the relevant account to cover the
amount of such filing fee and (d) it will confirm receipt of such instructions by its bank during regular business hours no later than
May 2, 2025.

<div align='center'>PART II

INFORMATION NOT REQUIRED IN PROSPECTUS</div>

Item 16. Exhibits and Financial Statement Schedules.

(a) All exhibits filed with or incorporated by
reference in the Prior Registration Statement on Form S-1 (File No. 333-284565) are incorporated by reference into, and shall be deemed
a part of, this Registration Statement, and the following additional exhibits are filed herewith, as part of this Registration Statement:

| Exhibit 
 No.     |     | Description                                             |
| 5.1     |     | Opinion of Maples and Calder.                           |
| 5.2     |     | Opinion of Greenberg Traurig, P.A.                      |
| 23.1    |     | Consent of CBIZ CPAs P.C.                               |
| 23.2    |     | Consent of Maples and Calder (included in Exhibit 5.1). |
|