Finding the Third Proportional to 56,870 and 124,492

Step by Step Solution

1. Step 1: Write the proportion equation
   56,870 : 124,492 = 124,492 : x
2. Step 2: Convert to fraction form
   56,870/124,492 = 124,492/x
3. Step 3: Cross multiply
   56,870x = 124,492 × 124,492
4. Step 4: Simplify right side
   56,870x = 15,498,258,064
5. Step 5: Solve for x
   x = 15,498,258,064/56,870
6. Step 6: Final answer
   x = 272,520.80