Finding the Third Proportional to 12,309 and 17,964

Step by Step Solution

1. Step 1: Write the proportion equation
   12,309 : 17,964 = 17,964 : x
2. Step 2: Convert to fraction form
   12,309/17,964 = 17,964/x
3. Step 3: Cross multiply
   12,309x = 17,964 × 17,964
4. Step 4: Simplify right side
   12,309x = 322,705,296
5. Step 5: Solve for x
   x = 322,705,296/12,309
6. Step 6: Final answer
   x = 26,217.02