Finding the Third Proportional to 10,174 and 20,957

Step by Step Solution

1. Step 1: Write the proportion equation
   10,174 : 20,957 = 20,957 : x
2. Step 2: Convert to fraction form
   10,174/20,957 = 20,957/x
3. Step 3: Cross multiply
   10,174x = 20,957 × 20,957
4. Step 4: Simplify right side
   10,174x = 439,195,849
5. Step 5: Solve for x
   x = 439,195,849/10,174
6. Step 6: Final answer
   x = 43,168.45