Finding the Third Proportional to 27,168 and 42,336

Step by Step Solution

1. Step 1: Write the proportion equation
   27,168 : 42,336 = 42,336 : x
2. Step 2: Convert to fraction form
   27,168/42,336 = 42,336/x
3. Step 3: Cross multiply
   27,168x = 42,336 × 42,336
4. Step 4: Simplify right side
   27,168x = 1,792,336,896
5. Step 5: Solve for x
   x = 1,792,336,896/27,168
6. Step 6: Final answer
   x = 65,972.35