Finding the Third Proportional to 2,790,009 and 3,948,948

Step by Step Solution

1. Step 1: Write the proportion equation
   2,790,009 : 3,948,948 = 3,948,948 : x
2. Step 2: Convert to fraction form
   2,790,009/3,948,948 = 3,948,948/x
3. Step 3: Cross multiply
   2,790,009x = 3,948,948 × 3,948,948
4. Step 4: Simplify right side
   2,790,009x = 15,594,190,306,704
5. Step 5: Solve for x
   x = 15,594,190,306,704/2,790,009
6. Step 6: Final answer
   x = 5,589,297.49