Finding the Third Proportional to 1,054,456 and 2,183,687

Step by Step Solution

1. Step 1: Write the proportion equation
   1,054,456 : 2,183,687 = 2,183,687 : x
2. Step 2: Convert to fraction form
   1,054,456/2,183,687 = 2,183,687/x
3. Step 3: Cross multiply
   1,054,456x = 2,183,687 × 2,183,687
4. Step 4: Simplify right side
   1,054,456x = 4,768,488,913,969
5. Step 5: Solve for x
   x = 4,768,488,913,969/1,054,456
6. Step 6: Final answer
   x = 4,522,226.55