Finding the Third Proportional to 33,296 and 71,272

Step by Step Solution

1. Step 1: Write the proportion equation
   33,296 : 71,272 = 71,272 : x
2. Step 2: Convert to fraction form
   33,296/71,272 = 71,272/x
3. Step 3: Cross multiply
   33,296x = 71,272 × 71,272
4. Step 4: Simplify right side
   33,296x = 5,079,697,984
5. Step 5: Solve for x
   x = 5,079,697,984/33,296
6. Step 6: Final answer
   x = 152,561.81