Finding the Third Proportional to 88,137 and 132,400.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,137 : 132,400.50 = 132,400.50 : x
2. Step 2: Convert to fraction form
   88,137/132,400.50 = 132,400.50/x
3. Step 3: Cross multiply
   88,137x = 132,400.50 × 132,400.50
4. Step 4: Simplify right side
   88,137x = 17,529,892,400.25
5. Step 5: Solve for x
   x = 17,529,892,400.25/88,137
6. Step 6: Final answer
   x = 198,893.68