Could you use only the millions period to order 462409524 463409524 and 463562391?

Yes, you can use the millions period to order the numbers 462409524, 463409524, and 463562391. In the millions period, the numbers are 462 million, 463 million, and 463 million, respectively. Since 462 million is less than both 463 million values, it comes first, followed by 463 million numbers. Among the two 463 million values, 463409524 is less than 463562391, so the correct order is 462409524, 463409524, and then 463562391.