Finding the Third Proportional to 9,111 and 18,996

Step by Step Solution

1. Step 1: Write the proportion equation
   9,111 : 18,996 = 18,996 : x
2. Step 2: Convert to fraction form
   9,111/18,996 = 18,996/x
3. Step 3: Cross multiply
   9,111x = 18,996 × 18,996
4. Step 4: Simplify right side
   9,111x = 360,848,016
5. Step 5: Solve for x
   x = 360,848,016/9,111
6. Step 6: Final answer
   x = 39,605.75