Finding the Third Proportional to 3,660,282 and 5,280,407

Step by Step Solution

1. Step 1: Write the proportion equation
   3,660,282 : 5,280,407 = 5,280,407 : x
2. Step 2: Convert to fraction form
   3,660,282/5,280,407 = 5,280,407/x
3. Step 3: Cross multiply
   3,660,282x = 5,280,407 × 5,280,407
4. Step 4: Simplify right side
   3,660,282x = 27,882,698,085,649
5. Step 5: Solve for x
   x = 27,882,698,085,649/3,660,282
6. Step 6: Final answer
   x = 7,617,636.59