Finding the Third Proportional to 1,339,891 and 2,920,694

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339,891 : 2,920,694 = 2,920,694 : x
2. Step 2: Convert to fraction form
   1,339,891/2,920,694 = 2,920,694/x
3. Step 3: Cross multiply
   1,339,891x = 2,920,694 × 2,920,694
4. Step 4: Simplify right side
   1,339,891x = 8,530,453,441,636
5. Step 5: Solve for x
   x = 8,530,453,441,636/1,339,891
6. Step 6: Final answer
   x = 6,366,527.91