Finding the Third Proportional to 12,774 and 13,926

Step by Step Solution

1. Step 1: Write the proportion equation
   12,774 : 13,926 = 13,926 : x
2. Step 2: Convert to fraction form
   12,774/13,926 = 13,926/x
3. Step 3: Cross multiply
   12,774x = 13,926 × 13,926
4. Step 4: Simplify right side
   12,774x = 193,933,476
5. Step 5: Solve for x
   x = 193,933,476/12,774
6. Step 6: Final answer
   x = 15,181.89