Finding the Third Proportional to 151,738.31 and 328,080.38

Step by Step Solution

1. Step 1: Write the proportion equation
   151,738.31 : 328,080.38 = 328,080.38 : x
2. Step 2: Convert to fraction form
   151,738.31/328,080.38 = 328,080.38/x
3. Step 3: Cross multiply
   151,738.31x = 328,080.38 × 328,080.38
4. Step 4: Simplify right side
   151,738.31x = 107,636,732,460.14
5. Step 5: Solve for x
   x = 107,636,732,460.14/151,738.31
6. Step 6: Final answer
   x = 709,357.65