Finding the Third Proportional to 2,245,920 and 4,870,206

Step by Step Solution

1. Step 1: Write the proportion equation
   2,245,920 : 4,870,206 = 4,870,206 : x
2. Step 2: Convert to fraction form
   2,245,920/4,870,206 = 4,870,206/x
3. Step 3: Cross multiply
   2,245,920x = 4,870,206 × 4,870,206
4. Step 4: Simplify right side
   2,245,920x = 23,718,906,482,436
5. Step 5: Solve for x
   x = 23,718,906,482,436/2,245,920
6. Step 6: Final answer
   x = 10,560,886.62