Finding the Third Proportional to 320,877,385.31 and 703,269,066.38

Step by Step Solution

1. Step 1: Write the proportion equation
   320,877,385.31 : 703,269,066.38 = 703,269,066.38 : x
2. Step 2: Convert to fraction form
   320,877,385.31/703,269,066.38 = 703,269,066.38/x
3. Step 3: Cross multiply
   320,877,385.31x = 703,269,066.38 × 703,269,066.38
4. Step 4: Simplify right side
   320,877,385.31x = 494,587,379,719,964,160
5. Step 5: Solve for x
   x = 494,587,379,719,964,160/320,877,385.31
6. Step 6: Final answer
   x = 1,541,359,417.52