Finding the Third Proportional to 1,206,660 and 2,382,864

Step by Step Solution

1. Step 1: Write the proportion equation
   1,206,660 : 2,382,864 = 2,382,864 : x
2. Step 2: Convert to fraction form
   1,206,660/2,382,864 = 2,382,864/x
3. Step 3: Cross multiply
   1,206,660x = 2,382,864 × 2,382,864
4. Step 4: Simplify right side
   1,206,660x = 5,678,040,842,496
5. Step 5: Solve for x
   x = 5,678,040,842,496/1,206,660
6. Step 6: Final answer
   x = 4,705,584.71