Finding the Third Proportional to 1,863,444 and 3,992,619

Step by Step Solution

1. Step 1: Write the proportion equation
   1,863,444 : 3,992,619 = 3,992,619 : x
2. Step 2: Convert to fraction form
   1,863,444/3,992,619 = 3,992,619/x
3. Step 3: Cross multiply
   1,863,444x = 3,992,619 × 3,992,619
4. Step 4: Simplify right side
   1,863,444x = 15,941,006,479,161
5. Step 5: Solve for x
   x = 15,941,006,479,161/1,863,444
6. Step 6: Final answer
   x = 8,554,593.79