Finding the Third Proportional to 126,986 and 200,904

Step by Step Solution

1. Step 1: Write the proportion equation
   126,986 : 200,904 = 200,904 : x
2. Step 2: Convert to fraction form
   126,986/200,904 = 200,904/x
3. Step 3: Cross multiply
   126,986x = 200,904 × 200,904
4. Step 4: Simplify right side
   126,986x = 40,362,417,216
5. Step 5: Solve for x
   x = 40,362,417,216/126,986
6. Step 6: Final answer
   x = 317,849.35