Finding the Third Proportional to 12,732 and 18,258

Step by Step Solution

1. Step 1: Write the proportion equation
   12,732 : 18,258 = 18,258 : x
2. Step 2: Convert to fraction form
   12,732/18,258 = 18,258/x
3. Step 3: Cross multiply
   12,732x = 18,258 × 18,258
4. Step 4: Simplify right side
   12,732x = 333,354,564
5. Step 5: Solve for x
   x = 333,354,564/12,732
6. Step 6: Final answer
   x = 26,182.42