Finding the Third Proportional to 2,339,420 and 3,428,018

Step by Step Solution

1. Step 1: Write the proportion equation
   2,339,420 : 3,428,018 = 3,428,018 : x
2. Step 2: Convert to fraction form
   2,339,420/3,428,018 = 3,428,018/x
3. Step 3: Cross multiply
   2,339,420x = 3,428,018 × 3,428,018
4. Step 4: Simplify right side
   2,339,420x = 11,751,307,408,324
5. Step 5: Solve for x
   x = 11,751,307,408,324/2,339,420
6. Step 6: Final answer
   x = 5,023,171.30