Finding the Third Proportional to 1,830,785 and 3,987,039

Step by Step Solution

1. Step 1: Write the proportion equation
   1,830,785 : 3,987,039 = 3,987,039 : x
2. Step 2: Convert to fraction form
   1,830,785/3,987,039 = 3,987,039/x
3. Step 3: Cross multiply
   1,830,785x = 3,987,039 × 3,987,039
4. Step 4: Simplify right side
   1,830,785x = 15,896,479,987,521
5. Step 5: Solve for x
   x = 15,896,479,987,521/1,830,785
6. Step 6: Final answer
   x = 8,682,876.46