Finding the Third Proportional to 123,182 and 171,623

Step by Step Solution

1. Step 1: Write the proportion equation
   123,182 : 171,623 = 171,623 : x
2. Step 2: Convert to fraction form
   123,182/171,623 = 171,623/x
3. Step 3: Cross multiply
   123,182x = 171,623 × 171,623
4. Step 4: Simplify right side
   123,182x = 29,454,454,129
5. Step 5: Solve for x
   x = 29,454,454,129/123,182
6. Step 6: Final answer
   x = 239,113.30