Finding the Third Proportional to 1,338,804 and 2,039,610

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338,804 : 2,039,610 = 2,039,610 : x
2. Step 2: Convert to fraction form
   1,338,804/2,039,610 = 2,039,610/x
3. Step 3: Cross multiply
   1,338,804x = 2,039,610 × 2,039,610
4. Step 4: Simplify right side
   1,338,804x = 4,160,008,952,100
5. Step 5: Solve for x
   x = 4,160,008,952,100/1,338,804
6. Step 6: Final answer
   x = 3,107,257.64