Finding the Third Proportional to 2,208,468 and 3,315,040

Step by Step Solution

1. Step 1: Write the proportion equation
   2,208,468 : 3,315,040 = 3,315,040 : x
2. Step 2: Convert to fraction form
   2,208,468/3,315,040 = 3,315,040/x
3. Step 3: Cross multiply
   2,208,468x = 3,315,040 × 3,315,040
4. Step 4: Simplify right side
   2,208,468x = 10,989,490,201,600
5. Step 5: Solve for x
   x = 10,989,490,201,600/2,208,468
6. Step 6: Final answer
   x = 4,976,069.48