Finding the Third Proportional to 4,046,228 and 8,668,204

Step by Step Solution

1. Step 1: Write the proportion equation
   4,046,228 : 8,668,204 = 8,668,204 : x
2. Step 2: Convert to fraction form
   4,046,228/8,668,204 = 8,668,204/x
3. Step 3: Cross multiply
   4,046,228x = 8,668,204 × 8,668,204
4. Step 4: Simplify right side
   4,046,228x = 75,137,760,585,616
5. Step 5: Solve for x
   x = 75,137,760,585,616/4,046,228
6. Step 6: Final answer
   x = 18,569,828.64