Finding the Third Proportional to 1,180,866 and 1,879,905

Step by Step Solution

1. Step 1: Write the proportion equation
   1,180,866 : 1,879,905 = 1,879,905 : x
2. Step 2: Convert to fraction form
   1,180,866/1,879,905 = 1,879,905/x
3. Step 3: Cross multiply
   1,180,866x = 1,879,905 × 1,879,905
4. Step 4: Simplify right side
   1,180,866x = 3,534,042,809,025
5. Step 5: Solve for x
   x = 3,534,042,809,025/1,180,866
6. Step 6: Final answer
   x = 2,992,755.16