Finding the Third Proportional to 8,243 and 12,271

Step by Step Solution

1. Step 1: Write the proportion equation
   8,243 : 12,271 = 12,271 : x
2. Step 2: Convert to fraction form
   8,243/12,271 = 12,271/x
3. Step 3: Cross multiply
   8,243x = 12,271 × 12,271
4. Step 4: Simplify right side
   8,243x = 150,577,441
5. Step 5: Solve for x
   x = 150,577,441/8,243
6. Step 6: Final answer
   x = 18,267.31