Question: who is the third most richest person in the world?
Answer: The surge in Zuckerberg's net worth has earned him the title of third-richest person, according to the Bloomberg Billionaires Index ranking updated on May 21. Zuckerberg is now worth an estimated $87.8 billion, rising above billionaires like Berkshire Hathaway CEO Warren Buffett and the fashion mogul Bernard Arnault.