Finding the Third Proportional to 3,904 and 5,260

Step by Step Solution

1. Step 1: Write the proportion equation
   3,904 : 5,260 = 5,260 : x
2. Step 2: Convert to fraction form
   3,904/5,260 = 5,260/x
3. Step 3: Cross multiply
   3,904x = 5,260 × 5,260
4. Step 4: Simplify right side
   3,904x = 27,667,600
5. Step 5: Solve for x
   x = 27,667,600/3,904
6. Step 6: Final answer
   x = 7,086.99