Finding the Third Proportional to 1,644,890 and 3,667,995

Step by Step Solution

1. Step 1: Write the proportion equation
   1,644,890 : 3,667,995 = 3,667,995 : x
2. Step 2: Convert to fraction form
   1,644,890/3,667,995 = 3,667,995/x
3. Step 3: Cross multiply
   1,644,890x = 3,667,995 × 3,667,995
4. Step 4: Simplify right side
   1,644,890x = 13,454,187,320,025
5. Step 5: Solve for x
   x = 13,454,187,320,025/1,644,890
6. Step 6: Final answer
   x = 8,179,384.23