Finding the Third Proportional to 12,692 and 18,274

Step by Step Solution

1. Step 1: Write the proportion equation
   12,692 : 18,274 = 18,274 : x
2. Step 2: Convert to fraction form
   12,692/18,274 = 18,274/x
3. Step 3: Cross multiply
   12,692x = 18,274 × 18,274
4. Step 4: Simplify right side
   12,692x = 333,939,076
5. Step 5: Solve for x
   x = 333,939,076/12,692
6. Step 6: Final answer
   x = 26,310.99