Complex sentence: In 2004, the estimated cost of building the airport was reported to be approximately $2 billion, and it was anticipated that, by 2032, the airport would be handling up to 11.9 million passengers annually.
Split into simpler sentences: In 2004, the estimated cost of building the airport was reported to be approximately $2 billion. It was anticipated at the time that, by 2032, the airport would be handling up to 11.9 million passengers annually.