Finding the Third Proportional to 2,220,780 and 4,822,086

Step by Step Solution

1. Step 1: Write the proportion equation
   2,220,780 : 4,822,086 = 4,822,086 : x
2. Step 2: Convert to fraction form
   2,220,780/4,822,086 = 4,822,086/x
3. Step 3: Cross multiply
   2,220,780x = 4,822,086 × 4,822,086
4. Step 4: Simplify right side
   2,220,780x = 23,252,513,391,396
5. Step 5: Solve for x
   x = 23,252,513,391,396/2,220,780
6. Step 6: Final answer
   x = 10,470,426.33