Finding the Third Proportional to 88,659 and 133,079.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,659 : 133,079.50 = 133,079.50 : x
2. Step 2: Convert to fraction form
   88,659/133,079.50 = 133,079.50/x
3. Step 3: Cross multiply
   88,659x = 133,079.50 × 133,079.50
4. Step 4: Simplify right side
   88,659x = 17,710,153,320.25
5. Step 5: Solve for x
   x = 17,710,153,320.25/88,659
6. Step 6: Final answer
   x = 199,755.84