Finding the Third Proportional to 1,477,828 and 3,198,540

Step by Step Solution

1. Step 1: Write the proportion equation
   1,477,828 : 3,198,540 = 3,198,540 : x
2. Step 2: Convert to fraction form
   1,477,828/3,198,540 = 3,198,540/x
3. Step 3: Cross multiply
   1,477,828x = 3,198,540 × 3,198,540
4. Step 4: Simplify right side
   1,477,828x = 10,230,658,131,600
5. Step 5: Solve for x
   x = 10,230,658,131,600/1,477,828
6. Step 6: Final answer
   x = 6,922,766.47