Finding the Third Proportional to 61,557 and 132,530

Step by Step Solution

1. Step 1: Write the proportion equation
   61,557 : 132,530 = 132,530 : x
2. Step 2: Convert to fraction form
   61,557/132,530 = 132,530/x
3. Step 3: Cross multiply
   61,557x = 132,530 × 132,530
4. Step 4: Simplify right side
   61,557x = 17,564,200,900
5. Step 5: Solve for x
   x = 17,564,200,900/61,557
6. Step 6: Final answer
   x = 285,332.31