Finding the Third Proportional to 56,872 and 124,496

Step by Step Solution

1. Step 1: Write the proportion equation
   56,872 : 124,496 = 124,496 : x
2. Step 2: Convert to fraction form
   56,872/124,496 = 124,496/x
3. Step 3: Cross multiply
   56,872x = 124,496 × 124,496
4. Step 4: Simplify right side
   56,872x = 15,499,254,016
5. Step 5: Solve for x
   x = 15,499,254,016/56,872
6. Step 6: Final answer
   x = 272,528.73