Finding the Third Proportional to 88,519.50 and 135,360

Step by Step Solution

1. Step 1: Write the proportion equation
   88,519.50 : 135,360 = 135,360 : x
2. Step 2: Convert to fraction form
   88,519.50/135,360 = 135,360/x
3. Step 3: Cross multiply
   88,519.50x = 135,360 × 135,360
4. Step 4: Simplify right side
   88,519.50x = 18,322,329,600
5. Step 5: Solve for x
   x = 18,322,329,600/88,519.50
6. Step 6: Final answer
   x = 206,986.37