Finding the Third Proportional to 3,660,256 and 5,280,368

Step by Step Solution

1. Step 1: Write the proportion equation
   3,660,256 : 5,280,368 = 5,280,368 : x
2. Step 2: Convert to fraction form
   3,660,256/5,280,368 = 5,280,368/x
3. Step 3: Cross multiply
   3,660,256x = 5,280,368 × 5,280,368
4. Step 4: Simplify right side
   3,660,256x = 27,882,286,215,424
5. Step 5: Solve for x
   x = 27,882,286,215,424/3,660,256
6. Step 6: Final answer
   x = 7,617,578.17