Finding the Third Proportional to 119,640 and 173,892

Step by Step Solution

1. Step 1: Write the proportion equation
   119,640 : 173,892 = 173,892 : x
2. Step 2: Convert to fraction form
   119,640/173,892 = 173,892/x
3. Step 3: Cross multiply
   119,640x = 173,892 × 173,892
4. Step 4: Simplify right side
   119,640x = 30,238,427,664
5. Step 5: Solve for x
   x = 30,238,427,664/119,640
6. Step 6: Final answer
   x = 252,745.13