Finding the Third Proportional to 56,524.50 and 87,442.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,524.50 : 87,442.50 = 87,442.50 : x
2. Step 2: Convert to fraction form
   56,524.50/87,442.50 = 87,442.50/x
3. Step 3: Cross multiply
   56,524.50x = 87,442.50 × 87,442.50
4. Step 4: Simplify right side
   56,524.50x = 7,646,190,806.25
5. Step 5: Solve for x
   x = 7,646,190,806.25/56,524.50
6. Step 6: Final answer
   x = 135,272.15