Finding the Third Proportional to 1,891,668 and 4,150,920

Step by Step Solution

1. Step 1: Write the proportion equation
   1,891,668 : 4,150,920 = 4,150,920 : x
2. Step 2: Convert to fraction form
   1,891,668/4,150,920 = 4,150,920/x
3. Step 3: Cross multiply
   1,891,668x = 4,150,920 × 4,150,920
4. Step 4: Simplify right side
   1,891,668x = 17,230,136,846,400
5. Step 5: Solve for x
   x = 17,230,136,846,400/1,891,668
6. Step 6: Final answer
   x = 9,108,435.97