Finding the Third Proportional to 89,387.72 and 132,535.41

Step by Step Solution

1. Step 1: Write the proportion equation
   89,387.72 : 132,535.41 = 132,535.41 : x
2. Step 2: Convert to fraction form
   89,387.72/132,535.41 = 132,535.41/x
3. Step 3: Cross multiply
   89,387.72x = 132,535.41 × 132,535.41
4. Step 4: Simplify right side
   89,387.72x = 17,565,633,909.85
5. Step 5: Solve for x
   x = 17,565,633,909.85/89,387.72
6. Step 6: Final answer
   x = 196,510.60