Finding the Third Proportional to 16,605 and 33,939

Step by Step Solution

1. Step 1: Write the proportion equation
   16,605 : 33,939 = 33,939 : x
2. Step 2: Convert to fraction form
   16,605/33,939 = 33,939/x
3. Step 3: Cross multiply
   16,605x = 33,939 × 33,939
4. Step 4: Simplify right side
   16,605x = 1,151,855,721
5. Step 5: Solve for x
   x = 1,151,855,721/16,605
6. Step 6: Final answer
   x = 69,368.00