Finding the Third Proportional to 61,123.50 and 132,615

Step by Step Solution

1. Step 1: Write the proportion equation
   61,123.50 : 132,615 = 132,615 : x
2. Step 2: Convert to fraction form
   61,123.50/132,615 = 132,615/x
3. Step 3: Cross multiply
   61,123.50x = 132,615 × 132,615
4. Step 4: Simplify right side
   61,123.50x = 17,586,738,225
5. Step 5: Solve for x
   x = 17,586,738,225/61,123.50
6. Step 6: Final answer
   x = 287,724.66