Finding the Third Proportional to 33,078.38 and 72,717.75

Step by Step Solution

1. Step 1: Write the proportion equation
   33,078.38 : 72,717.75 = 72,717.75 : x
2. Step 2: Convert to fraction form
   33,078.38/72,717.75 = 72,717.75/x
3. Step 3: Cross multiply
   33,078.38x = 72,717.75 × 72,717.75
4. Step 4: Simplify right side
   33,078.38x = 5,287,871,165.06
5. Step 5: Solve for x
   x = 5,287,871,165.06/33,078.38
6. Step 6: Final answer
   x = 159,858.86