Finding the Third Proportional to 2,183,921 and 4,647,916

Step by Step Solution

1. Step 1: Write the proportion equation
   2,183,921 : 4,647,916 = 4,647,916 : x
2. Step 2: Convert to fraction form
   2,183,921/4,647,916 = 4,647,916/x
3. Step 3: Cross multiply
   2,183,921x = 4,647,916 × 4,647,916
4. Step 4: Simplify right side
   2,183,921x = 21,603,123,143,056
5. Step 5: Solve for x
   x = 21,603,123,143,056/2,183,921
6. Step 6: Final answer
   x = 9,891,897.71