Finding the Third Proportional to 33,456 and 66,072

Step by Step Solution

1. Step 1: Write the proportion equation
   33,456 : 66,072 = 66,072 : x
2. Step 2: Convert to fraction form
   33,456/66,072 = 66,072/x
3. Step 3: Cross multiply
   33,456x = 66,072 × 66,072
4. Step 4: Simplify right side
   33,456x = 4,365,509,184
5. Step 5: Solve for x
   x = 4,365,509,184/33,456
6. Step 6: Final answer
   x = 130,485.09