Finding the Third Proportional to 88,267.50 and 130,686.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,267.50 : 130,686.50 = 130,686.50 : x
2. Step 2: Convert to fraction form
   88,267.50/130,686.50 = 130,686.50/x
3. Step 3: Cross multiply
   88,267.50x = 130,686.50 × 130,686.50
4. Step 4: Simplify right side
   88,267.50x = 17,078,961,282.25
5. Step 5: Solve for x
   x = 17,078,961,282.25/88,267.50
6. Step 6: Final answer
   x = 193,490.94