Finding the Third Proportional to 1,005,228 and 2,167,918

Step by Step Solution

1. Step 1: Write the proportion equation
   1,005,228 : 2,167,918 = 2,167,918 : x
2. Step 2: Convert to fraction form
   1,005,228/2,167,918 = 2,167,918/x
3. Step 3: Cross multiply
   1,005,228x = 2,167,918 × 2,167,918
4. Step 4: Simplify right side
   1,005,228x = 4,699,868,454,724
5. Step 5: Solve for x
   x = 4,699,868,454,724/1,005,228
6. Step 6: Final answer
   x = 4,675,425.33