Finding the Third Proportional to 60,069.09 and 132,128.72

Step by Step Solution

1. Step 1: Write the proportion equation
   60,069.09 : 132,128.72 = 132,128.72 : x
2. Step 2: Convert to fraction form
   60,069.09/132,128.72 = 132,128.72/x
3. Step 3: Cross multiply
   60,069.09x = 132,128.72 × 132,128.72
4. Step 4: Simplify right side
   60,069.09x = 17,457,998,318.52
5. Step 5: Solve for x
   x = 17,457,998,318.52/60,069.09
6. Step 6: Final answer
   x = 290,631.96