Finding the Third Proportional to 2,789,945 and 3,948,855

Step by Step Solution

1. Step 1: Write the proportion equation
   2,789,945 : 3,948,855 = 3,948,855 : x
2. Step 2: Convert to fraction form
   2,789,945/3,948,855 = 3,948,855/x
3. Step 3: Cross multiply
   2,789,945x = 3,948,855 × 3,948,855
4. Step 4: Simplify right side
   2,789,945x = 15,593,455,811,025
5. Step 5: Solve for x
   x = 15,593,455,811,025/2,789,945
6. Step 6: Final answer
   x = 5,589,162.44