Finding the Third Proportional to 20,928 and 37,644

Step by Step Solution

1. Step 1: Write the proportion equation
   20,928 : 37,644 = 37,644 : x
2. Step 2: Convert to fraction form
   20,928/37,644 = 37,644/x
3. Step 3: Cross multiply
   20,928x = 37,644 × 37,644
4. Step 4: Simplify right side
   20,928x = 1,417,070,736
5. Step 5: Solve for x
   x = 1,417,070,736/20,928
6. Step 6: Final answer
   x = 67,711.71