Finding the Third Proportional to 3,660,276 and 5,280,398

Step by Step Solution

1. Step 1: Write the proportion equation
   3,660,276 : 5,280,398 = 5,280,398 : x
2. Step 2: Convert to fraction form
   3,660,276/5,280,398 = 5,280,398/x
3. Step 3: Cross multiply
   3,660,276x = 5,280,398 × 5,280,398
4. Step 4: Simplify right side
   3,660,276x = 27,882,603,038,404
5. Step 5: Solve for x
   x = 27,882,603,038,404/3,660,276
6. Step 6: Final answer
   x = 7,617,623.11