Finding the Third Proportional to 13,440 and 17,956

Step by Step Solution

1. Step 1: Write the proportion equation
   13,440 : 17,956 = 17,956 : x
2. Step 2: Convert to fraction form
   13,440/17,956 = 17,956/x
3. Step 3: Cross multiply
   13,440x = 17,956 × 17,956
4. Step 4: Simplify right side
   13,440x = 322,417,936
5. Step 5: Solve for x
   x = 322,417,936/13,440
6. Step 6: Final answer
   x = 23,989.43