Finding the Third Proportional to 12,686 and 28,092

Step by Step Solution

1. Step 1: Write the proportion equation
   12,686 : 28,092 = 28,092 : x
2. Step 2: Convert to fraction form
   12,686/28,092 = 28,092/x
3. Step 3: Cross multiply
   12,686x = 28,092 × 28,092
4. Step 4: Simplify right side
   12,686x = 789,160,464
5. Step 5: Solve for x
   x = 789,160,464/12,686
6. Step 6: Final answer
   x = 62,207.19