Finding the Third Proportional to 55,557.75 and 88,257.38

Step by Step Solution

1. Step 1: Write the proportion equation
   55,557.75 : 88,257.38 = 88,257.38 : x
2. Step 2: Convert to fraction form
   55,557.75/88,257.38 = 88,257.38/x
3. Step 3: Cross multiply
   55,557.75x = 88,257.38 × 88,257.38
4. Step 4: Simplify right side
   55,557.75x = 7,789,364,241.89
5. Step 5: Solve for x
   x = 7,789,364,241.89/55,557.75
6. Step 6: Final answer
   x = 140,203.02