Finding the Third Proportional to 13,388 and 18,258

Step by Step Solution

1. Step 1: Write the proportion equation
   13,388 : 18,258 = 18,258 : x
2. Step 2: Convert to fraction form
   13,388/18,258 = 18,258/x
3. Step 3: Cross multiply
   13,388x = 18,258 × 18,258
4. Step 4: Simplify right side
   13,388x = 333,354,564
5. Step 5: Solve for x
   x = 333,354,564/13,388
6. Step 6: Final answer
   x = 24,899.50