Finding the Third Proportional to 33,259.50 and 68,072.75

Step by Step Solution

1. Step 1: Write the proportion equation
   33,259.50 : 68,072.75 = 68,072.75 : x
2. Step 2: Convert to fraction form
   33,259.50/68,072.75 = 68,072.75/x
3. Step 3: Cross multiply
   33,259.50x = 68,072.75 × 68,072.75
4. Step 4: Simplify right side
   33,259.50x = 4,633,899,292.56
5. Step 5: Solve for x
   x = 4,633,899,292.56/33,259.50
6. Step 6: Final answer
   x = 139,325.58