How long will $3000000 last in retirement?

Can you please elaborate on the specifics of this scenario? Factors such as the annual rate of return on investments, inflation, and the individual's expected retirement expenses all play a significant role in determining how long $3,000,000 would last in retirement. Additionally, personal factors like lifestyle choices, healthcare needs, and any unexpected expenses could also impact the longevity of this retirement fund. Could you provide more details on these factors to allow for a more accurate estimation?