Finding the Third Proportional to 2,789,986 and 3,948,916

Step by Step Solution

1. Step 1: Write the proportion equation
   2,789,986 : 3,948,916 = 3,948,916 : x
2. Step 2: Convert to fraction form
   2,789,986/3,948,916 = 3,948,916/x
3. Step 3: Cross multiply
   2,789,986x = 3,948,916 × 3,948,916
4. Step 4: Simplify right side
   2,789,986x = 15,593,937,575,056
5. Step 5: Solve for x
   x = 15,593,937,575,056/2,789,986
6. Step 6: Final answer
   x = 5,589,252.98