Finding the Third Proportional to 21,716 and 31,804

Step by Step Solution

1. Step 1: Write the proportion equation
   21,716 : 31,804 = 31,804 : x
2. Step 2: Convert to fraction form
   21,716/31,804 = 31,804/x
3. Step 3: Cross multiply
   21,716x = 31,804 × 31,804
4. Step 4: Simplify right side
   21,716x = 1,011,494,416
5. Step 5: Solve for x
   x = 1,011,494,416/21,716
6. Step 6: Final answer
   x = 46,578.30