Finding the Third Proportional to 1,054,449 and 2,183,661

Step by Step Solution

1. Step 1: Write the proportion equation
   1,054,449 : 2,183,661 = 2,183,661 : x
2. Step 2: Convert to fraction form
   1,054,449/2,183,661 = 2,183,661/x
3. Step 3: Cross multiply
   1,054,449x = 2,183,661 × 2,183,661
4. Step 4: Simplify right side
   1,054,449x = 4,768,375,362,921
5. Step 5: Solve for x
   x = 4,768,375,362,921/1,054,449
6. Step 6: Final answer
   x = 4,522,148.88