Finding the Third Proportional to 1,822,744 and 3,988,604

Step by Step Solution

1. Step 1: Write the proportion equation
   1,822,744 : 3,988,604 = 3,988,604 : x
2. Step 2: Convert to fraction form
   1,822,744/3,988,604 = 3,988,604/x
3. Step 3: Cross multiply
   1,822,744x = 3,988,604 × 3,988,604
4. Step 4: Simplify right side
   1,822,744x = 15,908,961,868,816
5. Step 5: Solve for x
   x = 15,908,961,868,816/1,822,744
6. Step 6: Final answer
   x = 8,728,028.66