Finding the Third Proportional to 11,704 and 13,288

Step by Step Solution

1. Step 1: Write the proportion equation
   11,704 : 13,288 = 13,288 : x
2. Step 2: Convert to fraction form
   11,704/13,288 = 13,288/x
3. Step 3: Cross multiply
   11,704x = 13,288 × 13,288
4. Step 4: Simplify right side
   11,704x = 176,570,944
5. Step 5: Solve for x
   x = 176,570,944/11,704
6. Step 6: Final answer
   x = 15,086.38