Finding the Third Proportional to 60,288.19 and 88,689.94

Step by Step Solution

1. Step 1: Write the proportion equation
   60,288.19 : 88,689.94 = 88,689.94 : x
2. Step 2: Convert to fraction form
   60,288.19/88,689.94 = 88,689.94/x
3. Step 3: Cross multiply
   60,288.19x = 88,689.94 × 88,689.94
4. Step 4: Simplify right side
   60,288.19x = 7,865,905,013.75
5. Step 5: Solve for x
   x = 7,865,905,013.75/60,288.19
6. Step 6: Final answer
   x = 130,471.74