Finding the Third Proportional to 9,598 and 12,957

Step by Step Solution

1. Step 1: Write the proportion equation
   9,598 : 12,957 = 12,957 : x
2. Step 2: Convert to fraction form
   9,598/12,957 = 12,957/x
3. Step 3: Cross multiply
   9,598x = 12,957 × 12,957
4. Step 4: Simplify right side
   9,598x = 167,883,849
5. Step 5: Solve for x
   x = 167,883,849/9,598
6. Step 6: Final answer
   x = 17,491.55