Finding the Third Proportional to 88,172.50 and 132,258

Step by Step Solution

1. Step 1: Write the proportion equation
   88,172.50 : 132,258 = 132,258 : x
2. Step 2: Convert to fraction form
   88,172.50/132,258 = 132,258/x
3. Step 3: Cross multiply
   88,172.50x = 132,258 × 132,258
4. Step 4: Simplify right side
   88,172.50x = 17,492,178,564
5. Step 5: Solve for x
   x = 17,492,178,564/88,172.50
6. Step 6: Final answer
   x = 198,385.88