Finding the Third Proportional to 451,061,872 and 717,735,568

Step by Step Solution

1. Step 1: Write the proportion equation
   451,061,872 : 717,735,568 = 717,735,568 : x
2. Step 2: Convert to fraction form
   451,061,872/717,735,568 = 717,735,568/x
3. Step 3: Cross multiply
   451,061,872x = 717,735,568 × 717,735,568
4. Step 4: Simplify right side
   451,061,872x = 515,144,345,572,282,624
5. Step 5: Solve for x
   x = 515,144,345,572,282,624/451,061,872
6. Step 6: Final answer
   x = 1,142,070,251.44