Finding the Third Proportional to 12,966 and 17,586

Step by Step Solution

1. Step 1: Write the proportion equation
   12,966 : 17,586 = 17,586 : x
2. Step 2: Convert to fraction form
   12,966/17,586 = 17,586/x
3. Step 3: Cross multiply
   12,966x = 17,586 × 17,586
4. Step 4: Simplify right side
   12,966x = 309,267,396
5. Step 5: Solve for x
   x = 309,267,396/12,966
6. Step 6: Final answer
   x = 23,852.18