Finding the Third Proportional to 12,716 and 19,673

Step by Step Solution

1. Step 1: Write the proportion equation
   12,716 : 19,673 = 19,673 : x
2. Step 2: Convert to fraction form
   12,716/19,673 = 19,673/x
3. Step 3: Cross multiply
   12,716x = 19,673 × 19,673
4. Step 4: Simplify right side
   12,716x = 387,026,929
5. Step 5: Solve for x
   x = 387,026,929/12,716
6. Step 6: Final answer
   x = 30,436.22