Finding the Third Proportional to 33,768.56 and 72,311.06

Step by Step Solution

1. Step 1: Write the proportion equation
   33,768.56 : 72,311.06 = 72,311.06 : x
2. Step 2: Convert to fraction form
   33,768.56/72,311.06 = 72,311.06/x
3. Step 3: Cross multiply
   33,768.56x = 72,311.06 × 72,311.06
4. Step 4: Simplify right side
   33,768.56x = 5,228,889,759.88
5. Step 5: Solve for x
   x = 5,228,889,759.88/33,768.56
6. Step 6: Final answer
   x = 154,844.90