Finding the Third Proportional to 10,016 and 20,672

Step by Step Solution

1. Step 1: Write the proportion equation
   10,016 : 20,672 = 20,672 : x
2. Step 2: Convert to fraction form
   10,016/20,672 = 20,672/x
3. Step 3: Cross multiply
   10,016x = 20,672 × 20,672
4. Step 4: Simplify right side
   10,016x = 427,331,584
5. Step 5: Solve for x
   x = 427,331,584/10,016
6. Step 6: Final answer
   x = 42,664.89