Finding the Third Proportional to 151,009.31 and 329,148.56

Step by Step Solution

1. Step 1: Write the proportion equation
   151,009.31 : 329,148.56 = 329,148.56 : x
2. Step 2: Convert to fraction form
   151,009.31/329,148.56 = 329,148.56/x
3. Step 3: Cross multiply
   151,009.31x = 329,148.56 × 329,148.56
4. Step 4: Simplify right side
   151,009.31x = 108,338,776,195.82
5. Step 5: Solve for x
   x = 108,338,776,195.82/151,009.31
6. Step 6: Final answer
   x = 717,431.09