Finding the Third Proportional to 57,543.50 and 88,320

Step by Step Solution

1. Step 1: Write the proportion equation
   57,543.50 : 88,320 = 88,320 : x
2. Step 2: Convert to fraction form
   57,543.50/88,320 = 88,320/x
3. Step 3: Cross multiply
   57,543.50x = 88,320 × 88,320
4. Step 4: Simplify right side
   57,543.50x = 7,800,422,400
5. Step 5: Solve for x
   x = 7,800,422,400/57,543.50
6. Step 6: Final answer
   x = 135,556.97