Finding the Third Proportional to 10,020 and 20,676

Step by Step Solution

1. Step 1: Write the proportion equation
   10,020 : 20,676 = 20,676 : x
2. Step 2: Convert to fraction form
   10,020/20,676 = 20,676/x
3. Step 3: Cross multiply
   10,020x = 20,676 × 20,676
4. Step 4: Simplify right side
   10,020x = 427,496,976
5. Step 5: Solve for x
   x = 427,496,976/10,020
6. Step 6: Final answer
   x = 42,664.37