Finding the Third Proportional to 61,576.45 and 132,648.89

Step by Step Solution

1. Step 1: Write the proportion equation
   61,576.45 : 132,648.89 = 132,648.89 : x
2. Step 2: Convert to fraction form
   61,576.45/132,648.89 = 132,648.89/x
3. Step 3: Cross multiply
   61,576.45x = 132,648.89 × 132,648.89
4. Step 4: Simplify right side
   61,576.45x = 17,595,728,184.04
5. Step 5: Solve for x
   x = 17,595,728,184.04/61,576.45
6. Step 6: Final answer
   x = 285,754.17