Finding the Third Proportional to 57,012.75 and 88,287.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,012.75 : 88,287.50 = 88,287.50 : x
2. Step 2: Convert to fraction form
   57,012.75/88,287.50 = 88,287.50/x
3. Step 3: Cross multiply
   57,012.75x = 88,287.50 × 88,287.50
4. Step 4: Simplify right side
   57,012.75x = 7,794,682,656.25
5. Step 5: Solve for x
   x = 7,794,682,656.25/57,012.75
6. Step 6: Final answer
   x = 136,718.24