Finding the Third Proportional to 1,478,736 and 2,228,616

Step by Step Solution

1. Step 1: Write the proportion equation
   1,478,736 : 2,228,616 = 2,228,616 : x
2. Step 2: Convert to fraction form
   1,478,736/2,228,616 = 2,228,616/x
3. Step 3: Cross multiply
   1,478,736x = 2,228,616 × 2,228,616
4. Step 4: Simplify right side
   1,478,736x = 4,966,729,275,456
5. Step 5: Solve for x
   x = 4,966,729,275,456/1,478,736
6. Step 6: Final answer
   x = 3,358,766.73