Finding the Third Proportional to 33,306.19 and 72,231.75

Step by Step Solution

1. Step 1: Write the proportion equation
   33,306.19 : 72,231.75 = 72,231.75 : x
2. Step 2: Convert to fraction form
   33,306.19/72,231.75 = 72,231.75/x
3. Step 3: Cross multiply
   33,306.19x = 72,231.75 × 72,231.75
4. Step 4: Simplify right side
   33,306.19x = 5,217,425,708.06
5. Step 5: Solve for x
   x = 5,217,425,708.06/33,306.19
6. Step 6: Final answer
   x = 156,650.34