Finding the Third Proportional to 1,822,236 and 3,987,660

Step by Step Solution

1. Step 1: Write the proportion equation
   1,822,236 : 3,987,660 = 3,987,660 : x
2. Step 2: Convert to fraction form
   1,822,236/3,987,660 = 3,987,660/x
3. Step 3: Cross multiply
   1,822,236x = 3,987,660 × 3,987,660
4. Step 4: Simplify right side
   1,822,236x = 15,901,432,275,600
5. Step 5: Solve for x
   x = 15,901,432,275,600/1,822,236
6. Step 6: Final answer
   x = 8,726,329.78