Finding the Third Proportional to 10,722 and 19,908

Step by Step Solution

1. Step 1: Write the proportion equation
   10,722 : 19,908 = 19,908 : x
2. Step 2: Convert to fraction form
   10,722/19,908 = 19,908/x
3. Step 3: Cross multiply
   10,722x = 19,908 × 19,908
4. Step 4: Simplify right side
   10,722x = 396,328,464
5. Step 5: Solve for x
   x = 396,328,464/10,722
6. Step 6: Final answer
   x = 36,964.04