Finding the Third Proportional to 123,181 and 171,622

Step by Step Solution

1. Step 1: Write the proportion equation
   123,181 : 171,622 = 171,622 : x
2. Step 2: Convert to fraction form
   123,181/171,622 = 171,622/x
3. Step 3: Cross multiply
   123,181x = 171,622 × 171,622
4. Step 4: Simplify right side
   123,181x = 29,454,110,884
5. Step 5: Solve for x
   x = 29,454,110,884/123,181
6. Step 6: Final answer
   x = 239,112.45