Finding the Third Proportional to 2,631,416 and 5,668,872

Step by Step Solution

1. Step 1: Write the proportion equation
   2,631,416 : 5,668,872 = 5,668,872 : x
2. Step 2: Convert to fraction form
   2,631,416/5,668,872 = 5,668,872/x
3. Step 3: Cross multiply
   2,631,416x = 5,668,872 × 5,668,872
4. Step 4: Simplify right side
   2,631,416x = 32,136,109,752,384
5. Step 5: Solve for x
   x = 32,136,109,752,384/2,631,416
6. Step 6: Final answer
   x = 12,212,477.90