Finding the Third Proportional to 151,435,680 and 329,404,449

Step by Step Solution

1. Step 1: Write the proportion equation
   151,435,680 : 329,404,449 = 329,404,449 : x
2. Step 2: Convert to fraction form
   151,435,680/329,404,449 = 329,404,449/x
3. Step 3: Cross multiply
   151,435,680x = 329,404,449 × 329,404,449
4. Step 4: Simplify right side
   151,435,680x = 108,507,291,020,993,600
5. Step 5: Solve for x
   x = 108,507,291,020,993,600/151,435,680
6. Step 6: Final answer
   x = 716,523,946.15