Finding the Third Proportional to 57,000.75 and 88,269.38

Step by Step Solution

1. Step 1: Write the proportion equation
   57,000.75 : 88,269.38 = 88,269.38 : x
2. Step 2: Convert to fraction form
   57,000.75/88,269.38 = 88,269.38/x
3. Step 3: Cross multiply
   57,000.75x = 88,269.38 × 88,269.38
4. Step 4: Simplify right side
   57,000.75x = 7,791,482,562.89
5. Step 5: Solve for x
   x = 7,791,482,562.89/57,000.75
6. Step 6: Final answer
   x = 136,690.88