Finding the Third Proportional to 88,396.31 and 132,642.56

Step by Step Solution

1. Step 1: Write the proportion equation
   88,396.31 : 132,642.56 = 132,642.56 : x
2. Step 2: Convert to fraction form
   88,396.31/132,642.56 = 132,642.56/x
3. Step 3: Cross multiply
   88,396.31x = 132,642.56 × 132,642.56
4. Step 4: Simplify right side
   88,396.31x = 17,594,049,386.57
5. Step 5: Solve for x
   x = 17,594,049,386.57/88,396.31
6. Step 6: Final answer
   x = 199,036.01