Finding the Third Proportional to 55,353.75 and 88,121.25

Step by Step Solution

1. Step 1: Write the proportion equation
   55,353.75 : 88,121.25 = 88,121.25 : x
2. Step 2: Convert to fraction form
   55,353.75/88,121.25 = 88,121.25/x
3. Step 3: Cross multiply
   55,353.75x = 88,121.25 × 88,121.25
4. Step 4: Simplify right side
   55,353.75x = 7,765,354,701.56
5. Step 5: Solve for x
   x = 7,765,354,701.56/55,353.75
6. Step 6: Final answer
   x = 140,285.97