Finding the Third Proportional to 55,353.50 and 88,120.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,353.50 : 88,120.50 = 88,120.50 : x
2. Step 2: Convert to fraction form
   55,353.50/88,120.50 = 88,120.50/x
3. Step 3: Cross multiply
   55,353.50x = 88,120.50 × 88,120.50
4. Step 4: Simplify right side
   55,353.50x = 7,765,222,520.25
5. Step 5: Solve for x
   x = 7,765,222,520.25/55,353.50
6. Step 6: Final answer
   x = 140,284.22