Finding the Third Proportional to 19,864 and 30,728

Step by Step Solution

1. Step 1: Write the proportion equation
   19,864 : 30,728 = 30,728 : x
2. Step 2: Convert to fraction form
   19,864/30,728 = 30,728/x
3. Step 3: Cross multiply
   19,864x = 30,728 × 30,728
4. Step 4: Simplify right side
   19,864x = 944,209,984
5. Step 5: Solve for x
   x = 944,209,984/19,864
6. Step 6: Final answer
   x = 47,533.73