Finding the Third Proportional to 3,660,264 and 5,280,380

Step by Step Solution

1. Step 1: Write the proportion equation
   3,660,264 : 5,280,380 = 5,280,380 : x
2. Step 2: Convert to fraction form
   3,660,264/5,280,380 = 5,280,380/x
3. Step 3: Cross multiply
   3,660,264x = 5,280,380 × 5,280,380
4. Step 4: Simplify right side
   3,660,264x = 27,882,412,944,400
5. Step 5: Solve for x
   x = 27,882,412,944,400/3,660,264
6. Step 6: Final answer
   x = 7,617,596.15