Finding the Third Proportional to 5,539,756 and 8,287,494

Step by Step Solution

1. Step 1: Write the proportion equation
   5,539,756 : 8,287,494 = 8,287,494 : x
2. Step 2: Convert to fraction form
   5,539,756/8,287,494 = 8,287,494/x
3. Step 3: Cross multiply
   5,539,756x = 8,287,494 × 8,287,494
4. Step 4: Simplify right side
   5,539,756x = 68,682,556,800,036
5. Step 5: Solve for x
   x = 68,682,556,800,036/5,539,756
6. Step 6: Final answer
   x = 12,398,119.48