Finding the Third Proportional to 88,279.50 and 132,616.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,279.50 : 132,616.50 = 132,616.50 : x
2. Step 2: Convert to fraction form
   88,279.50/132,616.50 = 132,616.50/x
3. Step 3: Cross multiply
   88,279.50x = 132,616.50 × 132,616.50
4. Step 4: Simplify right side
   88,279.50x = 17,587,136,072.25
5. Step 5: Solve for x
   x = 17,587,136,072.25/88,279.50
6. Step 6: Final answer
   x = 199,221.07