Finding the Third Proportional to 4,131,772 and 6,413,198

Step by Step Solution

1. Step 1: Write the proportion equation
   4,131,772 : 6,413,198 = 6,413,198 : x
2. Step 2: Convert to fraction form
   4,131,772/6,413,198 = 6,413,198/x
3. Step 3: Cross multiply
   4,131,772x = 6,413,198 × 6,413,198
4. Step 4: Simplify right side
   4,131,772x = 41,129,108,587,204
5. Step 5: Solve for x
   x = 41,129,108,587,204/4,131,772
6. Step 6: Final answer
   x = 9,954,350.96