Finding the Third Proportional to 20,021 and 30,442

Step by Step Solution

1. Step 1: Write the proportion equation
   20,021 : 30,442 = 30,442 : x
2. Step 2: Convert to fraction form
   20,021/30,442 = 30,442/x
3. Step 3: Cross multiply
   20,021x = 30,442 × 30,442
4. Step 4: Simplify right side
   20,021x = 926,715,364
5. Step 5: Solve for x
   x = 926,715,364/20,021
6. Step 6: Final answer
   x = 46,287.17