Finding the Third Proportional to 60,520 and 132,988

Step by Step Solution

1. Step 1: Write the proportion equation
   60,520 : 132,988 = 132,988 : x
2. Step 2: Convert to fraction form
   60,520/132,988 = 132,988/x
3. Step 3: Cross multiply
   60,520x = 132,988 × 132,988
4. Step 4: Simplify right side
   60,520x = 17,685,808,144
5. Step 5: Solve for x
   x = 17,685,808,144/60,520
6. Step 6: Final answer
   x = 292,230.80