Finding the Third Proportional to 1,519,040 and 3,278,256

Step by Step Solution

1. Step 1: Write the proportion equation
   1,519,040 : 3,278,256 = 3,278,256 : x
2. Step 2: Convert to fraction form
   1,519,040/3,278,256 = 3,278,256/x
3. Step 3: Cross multiply
   1,519,040x = 3,278,256 × 3,278,256
4. Step 4: Simplify right side
   1,519,040x = 10,746,962,401,536
5. Step 5: Solve for x
   x = 10,746,962,401,536/1,519,040
6. Step 6: Final answer
   x = 7,074,838.32