Finding the Third Proportional to 16,992 and 34,739

Step by Step Solution

1. Step 1: Write the proportion equation
   16,992 : 34,739 = 34,739 : x
2. Step 2: Convert to fraction form
   16,992/34,739 = 34,739/x
3. Step 3: Cross multiply
   16,992x = 34,739 × 34,739
4. Step 4: Simplify right side
   16,992x = 1,206,798,121
5. Step 5: Solve for x
   x = 1,206,798,121/16,992
6. Step 6: Final answer
   x = 71,021.55