Finding the Third Proportional to 88,663 and 133,013.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,663 : 133,013.50 = 133,013.50 : x
2. Step 2: Convert to fraction form
   88,663/133,013.50 = 133,013.50/x
3. Step 3: Cross multiply
   88,663x = 133,013.50 × 133,013.50
4. Step 4: Simplify right side
   88,663x = 17,692,591,182.25
5. Step 5: Solve for x
   x = 17,692,591,182.25/88,663
6. Step 6: Final answer
   x = 199,548.75