Finding the Third Proportional to 9,540 and 20,247

Step by Step Solution

1. Step 1: Write the proportion equation
   9,540 : 20,247 = 20,247 : x
2. Step 2: Convert to fraction form
   9,540/20,247 = 20,247/x
3. Step 3: Cross multiply
   9,540x = 20,247 × 20,247
4. Step 4: Simplify right side
   9,540x = 409,941,009
5. Step 5: Solve for x
   x = 409,941,009/9,540
6. Step 6: Final answer
   x = 42,970.76