Finding the Third Proportional to 2,656,843 and 5,691,631

Step by Step Solution

1. Step 1: Write the proportion equation
   2,656,843 : 5,691,631 = 5,691,631 : x
2. Step 2: Convert to fraction form
   2,656,843/5,691,631 = 5,691,631/x
3. Step 3: Cross multiply
   2,656,843x = 5,691,631 × 5,691,631
4. Step 4: Simplify right side
   2,656,843x = 32,394,663,440,161
5. Step 5: Solve for x
   x = 32,394,663,440,161/2,656,843
6. Step 6: Final answer
   x = 12,192,915.97