Finding the Third Proportional to 1,071,240 and 2,231,256

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,240 : 2,231,256 = 2,231,256 : x
2. Step 2: Convert to fraction form
   1,071,240/2,231,256 = 2,231,256/x
3. Step 3: Cross multiply
   1,071,240x = 2,231,256 × 2,231,256
4. Step 4: Simplify right side
   1,071,240x = 4,978,503,337,536
5. Step 5: Solve for x
   x = 4,978,503,337,536/1,071,240
6. Step 6: Final answer
   x = 4,647,421.06