Finding the Third Proportional to 42,831 and 101,245

Step by Step Solution

1. Step 1: Write the proportion equation
   42,831 : 101,245 = 101,245 : x
2. Step 2: Convert to fraction form
   42,831/101,245 = 101,245/x
3. Step 3: Cross multiply
   42,831x = 101,245 × 101,245
4. Step 4: Simplify right side
   42,831x = 10,250,550,025
5. Step 5: Solve for x
   x = 10,250,550,025/42,831
6. Step 6: Final answer
   x = 239,325.49