Finding the Third Proportional to 2,821,590 and 4,033,287

Step by Step Solution

1. Step 1: Write the proportion equation
   2,821,590 : 4,033,287 = 4,033,287 : x
2. Step 2: Convert to fraction form
   2,821,590/4,033,287 = 4,033,287/x
3. Step 3: Cross multiply
   2,821,590x = 4,033,287 × 4,033,287
4. Step 4: Simplify right side
   2,821,590x = 16,267,404,024,369
5. Step 5: Solve for x
   x = 16,267,404,024,369/2,821,590
6. Step 6: Final answer
   x = 5,765,332.32