Finding the Third Proportional to 1,835,817 and 3,998,256

Step by Step Solution

1. Step 1: Write the proportion equation
   1,835,817 : 3,998,256 = 3,998,256 : x
2. Step 2: Convert to fraction form
   1,835,817/3,998,256 = 3,998,256/x
3. Step 3: Cross multiply
   1,835,817x = 3,998,256 × 3,998,256
4. Step 4: Simplify right side
   1,835,817x = 15,986,051,041,536
5. Step 5: Solve for x
   x = 15,986,051,041,536/1,835,817
6. Step 6: Final answer
   x = 8,707,867.42