Finding the Third Proportional to 1,179,800 and 1,821,855

Step by Step Solution

1. Step 1: Write the proportion equation
   1,179,800 : 1,821,855 = 1,821,855 : x
2. Step 2: Convert to fraction form
   1,179,800/1,821,855 = 1,821,855/x
3. Step 3: Cross multiply
   1,179,800x = 1,821,855 × 1,821,855
4. Step 4: Simplify right side
   1,179,800x = 3,319,155,641,025
5. Step 5: Solve for x
   x = 3,319,155,641,025/1,179,800
6. Step 6: Final answer
   x = 2,813,320.60