Finding the Third Proportional to 88,141.50 and 132,406.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,141.50 : 132,406.50 = 132,406.50 : x
2. Step 2: Convert to fraction form
   88,141.50/132,406.50 = 132,406.50/x
3. Step 3: Cross multiply
   88,141.50x = 132,406.50 × 132,406.50
4. Step 4: Simplify right side
   88,141.50x = 17,531,481,242.25
5. Step 5: Solve for x
   x = 17,531,481,242.25/88,141.50
6. Step 6: Final answer
   x = 198,901.55