Finding the Third Proportional to 1,180,918 and 1,879,980

Step by Step Solution

1. Step 1: Write the proportion equation
   1,180,918 : 1,879,980 = 1,879,980 : x
2. Step 2: Convert to fraction form
   1,180,918/1,879,980 = 1,879,980/x
3. Step 3: Cross multiply
   1,180,918x = 1,879,980 × 1,879,980
4. Step 4: Simplify right side
   1,180,918x = 3,534,324,800,400
5. Step 5: Solve for x
   x = 3,534,324,800,400/1,180,918
6. Step 6: Final answer
   x = 2,992,862.16