Finding the Third Proportional to 9,624,399 and 21,400,582

Step by Step Solution

1. Step 1: Write the proportion equation
   9,624,399 : 21,400,582 = 21,400,582 : x
2. Step 2: Convert to fraction form
   9,624,399/21,400,582 = 21,400,582/x
3. Step 3: Cross multiply
   9,624,399x = 21,400,582 × 21,400,582
4. Step 4: Simplify right side
   9,624,399x = 457,984,909,938,724
5. Step 5: Solve for x
   x = 457,984,909,938,724/9,624,399
6. Step 6: Final answer
   x = 47,585,819.12