Finding the Third Proportional to 60,318.38 and 88,721.25

Step by Step Solution

1. Step 1: Write the proportion equation
   60,318.38 : 88,721.25 = 88,721.25 : x
2. Step 2: Convert to fraction form
   60,318.38/88,721.25 = 88,721.25/x
3. Step 3: Cross multiply
   60,318.38x = 88,721.25 × 88,721.25
4. Step 4: Simplify right side
   60,318.38x = 7,871,460,201.56
5. Step 5: Solve for x
   x = 7,871,460,201.56/60,318.38
6. Step 6: Final answer
   x = 130,498.55