Finding the Third Proportional to 2,183,456 and 4,739,872

Step by Step Solution

1. Step 1: Write the proportion equation
   2,183,456 : 4,739,872 = 4,739,872 : x
2. Step 2: Convert to fraction form
   2,183,456/4,739,872 = 4,739,872/x
3. Step 3: Cross multiply
   2,183,456x = 4,739,872 × 4,739,872
4. Step 4: Simplify right side
   2,183,456x = 22,466,386,576,384
5. Step 5: Solve for x
   x = 22,466,386,576,384/2,183,456
6. Step 6: Final answer
   x = 10,289,369.96