Finding the Third Proportional to 33,388 and 51,672

Step by Step Solution

1. Step 1: Write the proportion equation
   33,388 : 51,672 = 51,672 : x
2. Step 2: Convert to fraction form
   33,388/51,672 = 51,672/x
3. Step 3: Cross multiply
   33,388x = 51,672 × 51,672
4. Step 4: Simplify right side
   33,388x = 2,669,995,584
5. Step 5: Solve for x
   x = 2,669,995,584/33,388
6. Step 6: Final answer
   x = 79,968.72