Finding the Third Proportional to 57,723 and 88,665

Step by Step Solution

1. Step 1: Write the proportion equation
   57,723 : 88,665 = 88,665 : x
2. Step 2: Convert to fraction form
   57,723/88,665 = 88,665/x
3. Step 3: Cross multiply
   57,723x = 88,665 × 88,665
4. Step 4: Simplify right side
   57,723x = 7,861,482,225
5. Step 5: Solve for x
   x = 7,861,482,225/57,723
6. Step 6: Final answer
   x = 136,193.24