Finding the Third Proportional to 20,672 and 33,168

Step by Step Solution

1. Step 1: Write the proportion equation
   20,672 : 33,168 = 33,168 : x
2. Step 2: Convert to fraction form
   20,672/33,168 = 33,168/x
3. Step 3: Cross multiply
   20,672x = 33,168 × 33,168
4. Step 4: Simplify right side
   20,672x = 1,100,116,224
5. Step 5: Solve for x
   x = 1,100,116,224/20,672
6. Step 6: Final answer
   x = 53,217.70