Finding the Third Proportional to 88,648 and 132,672

Step by Step Solution

1. Step 1: Write the proportion equation
   88,648 : 132,672 = 132,672 : x
2. Step 2: Convert to fraction form
   88,648/132,672 = 132,672/x
3. Step 3: Cross multiply
   88,648x = 132,672 × 132,672
4. Step 4: Simplify right side
   88,648x = 17,601,859,584
5. Step 5: Solve for x
   x = 17,601,859,584/88,648
6. Step 6: Final answer
   x = 198,559.02