Finding the Third Proportional to 2,005,222 and 4,175,684

Step by Step Solution

1. Step 1: Write the proportion equation
   2,005,222 : 4,175,684 = 4,175,684 : x
2. Step 2: Convert to fraction form
   2,005,222/4,175,684 = 4,175,684/x
3. Step 3: Cross multiply
   2,005,222x = 4,175,684 × 4,175,684
4. Step 4: Simplify right side
   2,005,222x = 17,436,336,867,856
5. Step 5: Solve for x
   x = 17,436,336,867,856/2,005,222
6. Step 6: Final answer
   x = 8,695,464.58