Finding the Third Proportional to 2,631,443 and 5,668,939

Step by Step Solution

1. Step 1: Write the proportion equation
   2,631,443 : 5,668,939 = 5,668,939 : x
2. Step 2: Convert to fraction form
   2,631,443/5,668,939 = 5,668,939/x
3. Step 3: Cross multiply
   2,631,443x = 5,668,939 × 5,668,939
4. Step 4: Simplify right side
   2,631,443x = 32,136,869,385,721
5. Step 5: Solve for x
   x = 32,136,869,385,721/2,631,443
6. Step 6: Final answer
   x = 12,212,641.27