Finding the Third Proportional to 39,183.75 and 57,135.38

Step by Step Solution

1. Step 1: Write the proportion equation
   39,183.75 : 57,135.38 = 57,135.38 : x
2. Step 2: Convert to fraction form
   39,183.75/57,135.38 = 57,135.38/x
3. Step 3: Cross multiply
   39,183.75x = 57,135.38 × 57,135.38
4. Step 4: Simplify right side
   39,183.75x = 3,264,451,076.39
5. Step 5: Solve for x
   x = 3,264,451,076.39/39,183.75
6. Step 6: Final answer
   x = 83,311.35