Finding the Third Proportional to 33,198.50 and 71,581

Step by Step Solution

1. Step 1: Write the proportion equation
   33,198.50 : 71,581 = 71,581 : x
2. Step 2: Convert to fraction form
   33,198.50/71,581 = 71,581/x
3. Step 3: Cross multiply
   33,198.50x = 71,581 × 71,581
4. Step 4: Simplify right side
   33,198.50x = 5,123,839,561
5. Step 5: Solve for x
   x = 5,123,839,561/33,198.50
6. Step 6: Final answer
   x = 154,339.49