Finding the Third Proportional to 20,238 and 30,276

Step by Step Solution

1. Step 1: Write the proportion equation
   20,238 : 30,276 = 30,276 : x
2. Step 2: Convert to fraction form
   20,238/30,276 = 30,276/x
3. Step 3: Cross multiply
   20,238x = 30,276 × 30,276
4. Step 4: Simplify right side
   20,238x = 916,636,176
5. Step 5: Solve for x
   x = 916,636,176/20,238
6. Step 6: Final answer
   x = 45,292.82