Finding the Third Proportional to 57,042.50 and 88,675.25

Step by Step Solution

1. Step 1: Write the proportion equation
   57,042.50 : 88,675.25 = 88,675.25 : x
2. Step 2: Convert to fraction form
   57,042.50/88,675.25 = 88,675.25/x
3. Step 3: Cross multiply
   57,042.50x = 88,675.25 × 88,675.25
4. Step 4: Simplify right side
   57,042.50x = 7,863,299,962.56
5. Step 5: Solve for x
   x = 7,863,299,962.56/57,042.50
6. Step 6: Final answer
   x = 137,849.85