Finding the Third Proportional to 89,419.50 and 132,591

Step by Step Solution

1. Step 1: Write the proportion equation
   89,419.50 : 132,591 = 132,591 : x
2. Step 2: Convert to fraction form
   89,419.50/132,591 = 132,591/x
3. Step 3: Cross multiply
   89,419.50x = 132,591 × 132,591
4. Step 4: Simplify right side
   89,419.50x = 17,580,373,281
5. Step 5: Solve for x
   x = 17,580,373,281/89,419.50
6. Step 6: Final answer
   x = 196,605.59