Finding the Third Proportional to 3,485,675 and 5,280,677

Step by Step Solution

1. Step 1: Write the proportion equation
   3,485,675 : 5,280,677 = 5,280,677 : x
2. Step 2: Convert to fraction form
   3,485,675/5,280,677 = 5,280,677/x
3. Step 3: Cross multiply
   3,485,675x = 5,280,677 × 5,280,677
4. Step 4: Simplify right side
   3,485,675x = 27,885,549,578,329
5. Step 5: Solve for x
   x = 27,885,549,578,329/3,485,675
6. Step 6: Final answer
   x = 8,000,042.91