Finding the Third Proportional to 20,540 and 30,508

Step by Step Solution

1. Step 1: Write the proportion equation
   20,540 : 30,508 = 30,508 : x
2. Step 2: Convert to fraction form
   20,540/30,508 = 30,508/x
3. Step 3: Cross multiply
   20,540x = 30,508 × 30,508
4. Step 4: Simplify right side
   20,540x = 930,738,064
5. Step 5: Solve for x
   x = 930,738,064/20,540
6. Step 6: Final answer
   x = 45,313.44