Finding the Third Proportional to 12,608 and 13,712

Step by Step Solution

1. Step 1: Write the proportion equation
   12,608 : 13,712 = 13,712 : x
2. Step 2: Convert to fraction form
   12,608/13,712 = 13,712/x
3. Step 3: Cross multiply
   12,608x = 13,712 × 13,712
4. Step 4: Simplify right side
   12,608x = 188,018,944
5. Step 5: Solve for x
   x = 188,018,944/12,608
6. Step 6: Final answer
   x = 14,912.67