Finding the Third Proportional to 1,860,336 and 3,986,384

Step by Step Solution

1. Step 1: Write the proportion equation
   1,860,336 : 3,986,384 = 3,986,384 : x
2. Step 2: Convert to fraction form
   1,860,336/3,986,384 = 3,986,384/x
3. Step 3: Cross multiply
   1,860,336x = 3,986,384 × 3,986,384
4. Step 4: Simplify right side
   1,860,336x = 15,891,257,395,456
5. Step 5: Solve for x
   x = 15,891,257,395,456/1,860,336
6. Step 6: Final answer
   x = 8,542,143.67