Finding the Third Proportional to 9,234 and 12,957

Step by Step Solution

1. Step 1: Write the proportion equation
   9,234 : 12,957 = 12,957 : x
2. Step 2: Convert to fraction form
   9,234/12,957 = 12,957/x
3. Step 3: Cross multiply
   9,234x = 12,957 × 12,957
4. Step 4: Simplify right side
   9,234x = 167,883,849
5. Step 5: Solve for x
   x = 167,883,849/9,234
6. Step 6: Final answer
   x = 18,181.05