Finding the Third Proportional to 12,912 and 17,244

Step by Step Solution

1. Step 1: Write the proportion equation
   12,912 : 17,244 = 17,244 : x
2. Step 2: Convert to fraction form
   12,912/17,244 = 17,244/x
3. Step 3: Cross multiply
   12,912x = 17,244 × 17,244
4. Step 4: Simplify right side
   12,912x = 297,355,536
5. Step 5: Solve for x
   x = 297,355,536/12,912
6. Step 6: Final answer
   x = 23,029.39