Finding the Third Proportional to 1,808,826 and 2,879,289

Step by Step Solution

1. Step 1: Write the proportion equation
   1,808,826 : 2,879,289 = 2,879,289 : x
2. Step 2: Convert to fraction form
   1,808,826/2,879,289 = 2,879,289/x
3. Step 3: Cross multiply
   1,808,826x = 2,879,289 × 2,879,289
4. Step 4: Simplify right side
   1,808,826x = 8,290,305,145,521
5. Step 5: Solve for x
   x = 8,290,305,145,521/1,808,826
6. Step 6: Final answer
   x = 4,583,251.87