Finding the Third Proportional to 56,381 and 123,923

Step by Step Solution

1. Step 1: Write the proportion equation
   56,381 : 123,923 = 123,923 : x
2. Step 2: Convert to fraction form
   56,381/123,923 = 123,923/x
3. Step 3: Cross multiply
   56,381x = 123,923 × 123,923
4. Step 4: Simplify right side
   56,381x = 15,356,909,929
5. Step 5: Solve for x
   x = 15,356,909,929/56,381
6. Step 6: Final answer
   x = 272,377.40