Finding the Third Proportional to 12,276 and 17,940

Step by Step Solution

1. Step 1: Write the proportion equation
   12,276 : 17,940 = 17,940 : x
2. Step 2: Convert to fraction form
   12,276/17,940 = 17,940/x
3. Step 3: Cross multiply
   12,276x = 17,940 × 17,940
4. Step 4: Simplify right side
   12,276x = 321,843,600
5. Step 5: Solve for x
   x = 321,843,600/12,276
6. Step 6: Final answer
   x = 26,217.30