Finding the Third Proportional to 1,858,256 and 3,939,802

Step by Step Solution

1. Step 1: Write the proportion equation
   1,858,256 : 3,939,802 = 3,939,802 : x
2. Step 2: Convert to fraction form
   1,858,256/3,939,802 = 3,939,802/x
3. Step 3: Cross multiply
   1,858,256x = 3,939,802 × 3,939,802
4. Step 4: Simplify right side
   1,858,256x = 15,522,039,799,204
5. Step 5: Solve for x
   x = 15,522,039,799,204/1,858,256
6. Step 6: Final answer
   x = 8,353,014.76