Finding the Third Proportional to 102,957 and 132,078

Step by Step Solution

1. Step 1: Write the proportion equation
   102,957 : 132,078 = 132,078 : x
2. Step 2: Convert to fraction form
   102,957/132,078 = 132,078/x
3. Step 3: Cross multiply
   102,957x = 132,078 × 132,078
4. Step 4: Simplify right side
   102,957x = 17,444,598,084
5. Step 5: Solve for x
   x = 17,444,598,084/102,957
6. Step 6: Final answer
   x = 169,435.77