Finding the Third Proportional to 60,219 and 86,605

Step by Step Solution

1. Step 1: Write the proportion equation
   60,219 : 86,605 = 86,605 : x
2. Step 2: Convert to fraction form
   60,219/86,605 = 86,605/x
3. Step 3: Cross multiply
   60,219x = 86,605 × 86,605
4. Step 4: Simplify right side
   60,219x = 7,500,426,025
5. Step 5: Solve for x
   x = 7,500,426,025/60,219
6. Step 6: Final answer
   x = 124,552.48