Finding the Third Proportional to 3,660,258 and 5,280,371

Step by Step Solution

1. Step 1: Write the proportion equation
   3,660,258 : 5,280,371 = 5,280,371 : x
2. Step 2: Convert to fraction form
   3,660,258/5,280,371 = 5,280,371/x
3. Step 3: Cross multiply
   3,660,258x = 5,280,371 × 5,280,371
4. Step 4: Simplify right side
   3,660,258x = 27,882,317,897,641
5. Step 5: Solve for x
   x = 27,882,317,897,641/3,660,258
6. Step 6: Final answer
   x = 7,617,582.67