Finding the Third Proportional to 56,659.50 and 88,695

Step by Step Solution

1. Step 1: Write the proportion equation
   56,659.50 : 88,695 = 88,695 : x
2. Step 2: Convert to fraction form
   56,659.50/88,695 = 88,695/x
3. Step 3: Cross multiply
   56,659.50x = 88,695 × 88,695
4. Step 4: Simplify right side
   56,659.50x = 7,866,803,025
5. Step 5: Solve for x
   x = 7,866,803,025/56,659.50
6. Step 6: Final answer
   x = 138,843.50