Finding the Third Proportional to 3,660,274 and 5,280,395

Step by Step Solution

1. Step 1: Write the proportion equation
   3,660,274 : 5,280,395 = 5,280,395 : x
2. Step 2: Convert to fraction form
   3,660,274/5,280,395 = 5,280,395/x
3. Step 3: Cross multiply
   3,660,274x = 5,280,395 × 5,280,395
4. Step 4: Simplify right side
   3,660,274x = 27,882,571,356,025
5. Step 5: Solve for x
   x = 27,882,571,356,025/3,660,274
6. Step 6: Final answer
   x = 7,617,618.61