Finding the Third Proportional to 60,518 and 132,520

Step by Step Solution

1. Step 1: Write the proportion equation
   60,518 : 132,520 = 132,520 : x
2. Step 2: Convert to fraction form
   60,518/132,520 = 132,520/x
3. Step 3: Cross multiply
   60,518x = 132,520 × 132,520
4. Step 4: Simplify right side
   60,518x = 17,561,550,400
5. Step 5: Solve for x
   x = 17,561,550,400/60,518
6. Step 6: Final answer
   x = 290,187.22