Finding the Third Proportional to 112,816 and 245,874

Step by Step Solution

1. Step 1: Write the proportion equation
   112,816 : 245,874 = 245,874 : x
2. Step 2: Convert to fraction form
   112,816/245,874 = 245,874/x
3. Step 3: Cross multiply
   112,816x = 245,874 × 245,874
4. Step 4: Simplify right side
   112,816x = 60,454,023,876
5. Step 5: Solve for x
   x = 60,454,023,876/112,816
6. Step 6: Final answer
   x = 535,863.92