Finding the Third Proportional to 3,258,644 and 4,557,945

Step by Step Solution

1. Step 1: Write the proportion equation
   3,258,644 : 4,557,945 = 4,557,945 : x
2. Step 2: Convert to fraction form
   3,258,644/4,557,945 = 4,557,945/x
3. Step 3: Cross multiply
   3,258,644x = 4,557,945 × 4,557,945
4. Step 4: Simplify right side
   3,258,644x = 20,774,862,623,025
5. Step 5: Solve for x
   x = 20,774,862,623,025/3,258,644
6. Step 6: Final answer
   x = 6,375,309.06