Finding the Third Proportional to 10,112 and 20,872

Step by Step Solution

1. Step 1: Write the proportion equation
   10,112 : 20,872 = 20,872 : x
2. Step 2: Convert to fraction form
   10,112/20,872 = 20,872/x
3. Step 3: Cross multiply
   10,112x = 20,872 × 20,872
4. Step 4: Simplify right side
   10,112x = 435,640,384
5. Step 5: Solve for x
   x = 435,640,384/10,112
6. Step 6: Final answer
   x = 43,081.53