Finding the Third Proportional to 21,456 and 30,804

Step by Step Solution

1. Step 1: Write the proportion equation
   21,456 : 30,804 = 30,804 : x
2. Step 2: Convert to fraction form
   21,456/30,804 = 30,804/x
3. Step 3: Cross multiply
   21,456x = 30,804 × 30,804
4. Step 4: Simplify right side
   21,456x = 948,886,416
5. Step 5: Solve for x
   x = 948,886,416/21,456
6. Step 6: Final answer
   x = 44,224.76