Finding the Third Proportional to 12,993 and 17,403

Step by Step Solution

1. Step 1: Write the proportion equation
   12,993 : 17,403 = 17,403 : x
2. Step 2: Convert to fraction form
   12,993/17,403 = 17,403/x
3. Step 3: Cross multiply
   12,993x = 17,403 × 17,403
4. Step 4: Simplify right side
   12,993x = 302,864,409
5. Step 5: Solve for x
   x = 302,864,409/12,993
6. Step 6: Final answer
   x = 23,309.81