Finding the Third Proportional to 1,317,771 and 2,887,690

Step by Step Solution

1. Step 1: Write the proportion equation
   1,317,771 : 2,887,690 = 2,887,690 : x
2. Step 2: Convert to fraction form
   1,317,771/2,887,690 = 2,887,690/x
3. Step 3: Cross multiply
   1,317,771x = 2,887,690 × 2,887,690
4. Step 4: Simplify right side
   1,317,771x = 8,338,753,536,100
5. Step 5: Solve for x
   x = 8,338,753,536,100/1,317,771
6. Step 6: Final answer
   x = 6,327,923.09