Finding the Third Proportional to 2,200,728 and 4,821,360

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200,728 : 4,821,360 = 4,821,360 : x
2. Step 2: Convert to fraction form
   2,200,728/4,821,360 = 4,821,360/x
3. Step 3: Cross multiply
   2,200,728x = 4,821,360 × 4,821,360
4. Step 4: Simplify right side
   2,200,728x = 23,245,512,249,600
5. Step 5: Solve for x
   x = 23,245,512,249,600/2,200,728
6. Step 6: Final answer
   x = 10,562,646.66