Finding the Third Proportional to 88,486 and 132,738.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,486 : 132,738.50 = 132,738.50 : x
2. Step 2: Convert to fraction form
   88,486/132,738.50 = 132,738.50/x
3. Step 3: Cross multiply
   88,486x = 132,738.50 × 132,738.50
4. Step 4: Simplify right side
   88,486x = 17,619,509,382.25
5. Step 5: Solve for x
   x = 17,619,509,382.25/88,486
6. Step 6: Final answer
   x = 199,122.00