Finding the Third Proportional to 3,485,695 and 5,280,707

Step by Step Solution

1. Step 1: Write the proportion equation
   3,485,695 : 5,280,707 = 5,280,707 : x
2. Step 2: Convert to fraction form
   3,485,695/5,280,707 = 5,280,707/x
3. Step 3: Cross multiply
   3,485,695x = 5,280,707 × 5,280,707
4. Step 4: Simplify right side
   3,485,695x = 27,885,866,419,849
5. Step 5: Solve for x
   x = 27,885,866,419,849/3,485,695
6. Step 6: Final answer
   x = 8,000,087.91