Finding the Third Proportional to 1,435,854 and 2,223,018

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435,854 : 2,223,018 = 2,223,018 : x
2. Step 2: Convert to fraction form
   1,435,854/2,223,018 = 2,223,018/x
3. Step 3: Cross multiply
   1,435,854x = 2,223,018 × 2,223,018
4. Step 4: Simplify right side
   1,435,854x = 4,941,809,028,324
5. Step 5: Solve for x
   x = 4,941,809,028,324/1,435,854
6. Step 6: Final answer
   x = 3,441,721.11