Finding the Third Proportional to 40,518 and 60,612

Step by Step Solution

1. Step 1: Write the proportion equation
   40,518 : 60,612 = 60,612 : x
2. Step 2: Convert to fraction form
   40,518/60,612 = 60,612/x
3. Step 3: Cross multiply
   40,518x = 60,612 × 60,612
4. Step 4: Simplify right side
   40,518x = 3,673,814,544
5. Step 5: Solve for x
   x = 3,673,814,544/40,518
6. Step 6: Final answer
   x = 90,671.17