Finding the Third Proportional to 492,344,131.50 and 779,614,464

Step by Step Solution

1. Step 1: Write the proportion equation
   492,344,131.50 : 779,614,464 = 779,614,464 : x
2. Step 2: Convert to fraction form
   492,344,131.50/779,614,464 = 779,614,464/x
3. Step 3: Cross multiply
   492,344,131.50x = 779,614,464 × 779,614,464
4. Step 4: Simplify right side
   492,344,131.50x = 607,798,712,478,007,296
5. Step 5: Solve for x
   x = 607,798,712,478,007,296/492,344,131.50
6. Step 6: Final answer
   x = 1,234,499,760.62