Finding the Third Proportional to 21,338 and 30,036

Step by Step Solution

1. Step 1: Write the proportion equation
   21,338 : 30,036 = 30,036 : x
2. Step 2: Convert to fraction form
   21,338/30,036 = 30,036/x
3. Step 3: Cross multiply
   21,338x = 30,036 × 30,036
4. Step 4: Simplify right side
   21,338x = 902,161,296
5. Step 5: Solve for x
   x = 902,161,296/21,338
6. Step 6: Final answer
   x = 42,279.56