Finding the Third Proportional to 1,811,166 and 3,936,828

Step by Step Solution

1. Step 1: Write the proportion equation
   1,811,166 : 3,936,828 = 3,936,828 : x
2. Step 2: Convert to fraction form
   1,811,166/3,936,828 = 3,936,828/x
3. Step 3: Cross multiply
   1,811,166x = 3,936,828 × 3,936,828
4. Step 4: Simplify right side
   1,811,166x = 15,498,614,701,584
5. Step 5: Solve for x
   x = 15,498,614,701,584/1,811,166
6. Step 6: Final answer
   x = 8,557,257.98