Finding the Third Proportional to 20,283 and 30,819

Step by Step Solution

1. Step 1: Write the proportion equation
   20,283 : 30,819 = 30,819 : x
2. Step 2: Convert to fraction form
   20,283/30,819 = 30,819/x
3. Step 3: Cross multiply
   20,283x = 30,819 × 30,819
4. Step 4: Simplify right side
   20,283x = 949,810,761
5. Step 5: Solve for x
   x = 949,810,761/20,283
6. Step 6: Final answer
   x = 46,827.92