Finding the Third Proportional to 60,288 and 88,689.38

Step by Step Solution

1. Step 1: Write the proportion equation
   60,288 : 88,689.38 = 88,689.38 : x
2. Step 2: Convert to fraction form
   60,288/88,689.38 = 88,689.38/x
3. Step 3: Cross multiply
   60,288x = 88,689.38 × 88,689.38
4. Step 4: Simplify right side
   60,288x = 7,865,805,237.89
5. Step 5: Solve for x
   x = 7,865,805,237.89/60,288
6. Step 6: Final answer
   x = 130,470.50