Finding the Third Proportional to 451,061,870 and 717,735,564

Step by Step Solution

1. Step 1: Write the proportion equation
   451,061,870 : 717,735,564 = 717,735,564 : x
2. Step 2: Convert to fraction form
   451,061,870/717,735,564 = 717,735,564/x
3. Step 3: Cross multiply
   451,061,870x = 717,735,564 × 717,735,564
4. Step 4: Simplify right side
   451,061,870x = 515,144,339,830,398,080
5. Step 5: Solve for x
   x = 515,144,339,830,398,080/451,061,870
6. Step 6: Final answer
   x = 1,142,070,243.78