Finding the Third Proportional to 2,220,928 and 4,822,392

Step by Step Solution

1. Step 1: Write the proportion equation
   2,220,928 : 4,822,392 = 4,822,392 : x
2. Step 2: Convert to fraction form
   2,220,928/4,822,392 = 4,822,392/x
3. Step 3: Cross multiply
   2,220,928x = 4,822,392 × 4,822,392
4. Step 4: Simplify right side
   2,220,928x = 23,255,464,601,664
5. Step 5: Solve for x
   x = 23,255,464,601,664/2,220,928
6. Step 6: Final answer
   x = 10,471,057.41