Finding the Third Proportional to 1,366,569 and 2,990,553

Step by Step Solution

1. Step 1: Write the proportion equation
   1,366,569 : 2,990,553 = 2,990,553 : x
2. Step 2: Convert to fraction form
   1,366,569/2,990,553 = 2,990,553/x
3. Step 3: Cross multiply
   1,366,569x = 2,990,553 × 2,990,553
4. Step 4: Simplify right side
   1,366,569x = 8,943,407,245,809
5. Step 5: Solve for x
   x = 8,943,407,245,809/1,366,569
6. Step 6: Final answer
   x = 6,544,424.21