Finding the Third Proportional to 10,188 and 18,036

Step by Step Solution

1. Step 1: Write the proportion equation
   10,188 : 18,036 = 18,036 : x
2. Step 2: Convert to fraction form
   10,188/18,036 = 18,036/x
3. Step 3: Cross multiply
   10,188x = 18,036 × 18,036
4. Step 4: Simplify right side
   10,188x = 325,297,296
5. Step 5: Solve for x
   x = 325,297,296/10,188
6. Step 6: Final answer
   x = 31,929.46