Finding the Third Proportional to 12,940 and 17,376

Step by Step Solution

1. Step 1: Write the proportion equation
   12,940 : 17,376 = 17,376 : x
2. Step 2: Convert to fraction form
   12,940/17,376 = 17,376/x
3. Step 3: Cross multiply
   12,940x = 17,376 × 17,376
4. Step 4: Simplify right side
   12,940x = 301,925,376
5. Step 5: Solve for x
   x = 301,925,376/12,940
6. Step 6: Final answer
   x = 23,332.72