Finding the Third Proportional to 56,876 and 123,836

Step by Step Solution

1. Step 1: Write the proportion equation
   56,876 : 123,836 = 123,836 : x
2. Step 2: Convert to fraction form
   56,876/123,836 = 123,836/x
3. Step 3: Cross multiply
   56,876x = 123,836 × 123,836
4. Step 4: Simplify right side
   56,876x = 15,335,354,896
5. Step 5: Solve for x
   x = 15,335,354,896/56,876
6. Step 6: Final answer
   x = 269,627.87