Finding the Third Proportional to 151,435,666.50 and 329,404,428

Step by Step Solution

1. Step 1: Write the proportion equation
   151,435,666.50 : 329,404,428 = 329,404,428 : x
2. Step 2: Convert to fraction form
   151,435,666.50/329,404,428 = 329,404,428/x
3. Step 3: Cross multiply
   151,435,666.50x = 329,404,428 × 329,404,428
4. Step 4: Simplify right side
   151,435,666.50x = 108,507,277,186,007,184
5. Step 5: Solve for x
   x = 108,507,277,186,007,184/151,435,666.50
6. Step 6: Final answer
   x = 716,523,918.66