Finding the Third Proportional to 2,226,864 and 4,879,320

Step by Step Solution

1. Step 1: Write the proportion equation
   2,226,864 : 4,879,320 = 4,879,320 : x
2. Step 2: Convert to fraction form
   2,226,864/4,879,320 = 4,879,320/x
3. Step 3: Cross multiply
   2,226,864x = 4,879,320 × 4,879,320
4. Step 4: Simplify right side
   2,226,864x = 23,807,763,662,400
5. Step 5: Solve for x
   x = 23,807,763,662,400/2,226,864
6. Step 6: Final answer
   x = 10,691,161.95