Finding the Third Proportional to 1,811,788 and 3,949,110

Step by Step Solution

1. Step 1: Write the proportion equation
   1,811,788 : 3,949,110 = 3,949,110 : x
2. Step 2: Convert to fraction form
   1,811,788/3,949,110 = 3,949,110/x
3. Step 3: Cross multiply
   1,811,788x = 3,949,110 × 3,949,110
4. Step 4: Simplify right side
   1,811,788x = 15,595,469,792,100
5. Step 5: Solve for x
   x = 15,595,469,792,100/1,811,788
6. Step 6: Final answer
   x = 8,607,778.50