Finding the Third Proportional to 123,990 and 271,092

Step by Step Solution

1. Step 1: Write the proportion equation
   123,990 : 271,092 = 271,092 : x
2. Step 2: Convert to fraction form
   123,990/271,092 = 271,092/x
3. Step 3: Cross multiply
   123,990x = 271,092 × 271,092
4. Step 4: Simplify right side
   123,990x = 73,490,872,464
5. Step 5: Solve for x
   x = 73,490,872,464/123,990
6. Step 6: Final answer
   x = 592,716.13