Finding the Third Proportional to 1,879,686 and 2,820,105

Step by Step Solution

1. Step 1: Write the proportion equation
   1,879,686 : 2,820,105 = 2,820,105 : x
2. Step 2: Convert to fraction form
   1,879,686/2,820,105 = 2,820,105/x
3. Step 3: Cross multiply
   1,879,686x = 2,820,105 × 2,820,105
4. Step 4: Simplify right side
   1,879,686x = 7,952,992,211,025
5. Step 5: Solve for x
   x = 7,952,992,211,025/1,879,686
6. Step 6: Final answer
   x = 4,231,021.68