Finding the Third Proportional to 451,061,854 and 717,735,540

Step by Step Solution

1. Step 1: Write the proportion equation
   451,061,854 : 717,735,540 = 717,735,540 : x
2. Step 2: Convert to fraction form
   451,061,854/717,735,540 = 717,735,540/x
3. Step 3: Cross multiply
   451,061,854x = 717,735,540 × 717,735,540
4. Step 4: Simplify right side
   451,061,854x = 515,144,305,379,091,584
5. Step 5: Solve for x
   x = 515,144,305,379,091,584/451,061,854
6. Step 6: Final answer
   x = 1,142,070,207.91