Finding the Third Proportional to 1,503,919 and 3,131,766

Step by Step Solution

1. Step 1: Write the proportion equation
   1,503,919 : 3,131,766 = 3,131,766 : x
2. Step 2: Convert to fraction form
   1,503,919/3,131,766 = 3,131,766/x
3. Step 3: Cross multiply
   1,503,919x = 3,131,766 × 3,131,766
4. Step 4: Simplify right side
   1,503,919x = 9,807,958,278,756
5. Step 5: Solve for x
   x = 9,807,958,278,756/1,503,919
6. Step 6: Final answer
   x = 6,521,600.09