Finding the Third Proportional to 1,822,249 and 3,987,686

Step by Step Solution

1. Step 1: Write the proportion equation
   1,822,249 : 3,987,686 = 3,987,686 : x
2. Step 2: Convert to fraction form
   1,822,249/3,987,686 = 3,987,686/x
3. Step 3: Cross multiply
   1,822,249x = 3,987,686 × 3,987,686
4. Step 4: Simplify right side
   1,822,249x = 15,901,639,634,596
5. Step 5: Solve for x
   x = 15,901,639,634,596/1,822,249
6. Step 6: Final answer
   x = 8,726,381.32