Finding the Third Proportional to 60,842 and 89,163

Step by Step Solution

1. Step 1: Write the proportion equation
   60,842 : 89,163 = 89,163 : x
2. Step 2: Convert to fraction form
   60,842/89,163 = 89,163/x
3. Step 3: Cross multiply
   60,842x = 89,163 × 89,163
4. Step 4: Simplify right side
   60,842x = 7,950,040,569
5. Step 5: Solve for x
   x = 7,950,040,569/60,842
6. Step 6: Final answer
   x = 130,666.98