Finding the Third Proportional to 20,282 and 30,287

Step by Step Solution

1. Step 1: Write the proportion equation
   20,282 : 30,287 = 30,287 : x
2. Step 2: Convert to fraction form
   20,282/30,287 = 30,287/x
3. Step 3: Cross multiply
   20,282x = 30,287 × 30,287
4. Step 4: Simplify right side
   20,282x = 917,302,369
5. Step 5: Solve for x
   x = 917,302,369/20,282
6. Step 6: Final answer
   x = 45,227.41