Finding the Third Proportional to 2,789,970 and 3,948,888

Step by Step Solution

1. Step 1: Write the proportion equation
   2,789,970 : 3,948,888 = 3,948,888 : x
2. Step 2: Convert to fraction form
   2,789,970/3,948,888 = 3,948,888/x
3. Step 3: Cross multiply
   2,789,970x = 3,948,888 × 3,948,888
4. Step 4: Simplify right side
   2,789,970x = 15,593,716,436,544
5. Step 5: Solve for x
   x = 15,593,716,436,544/2,789,970
6. Step 6: Final answer
   x = 5,589,205.78