Finding the Third Proportional to 20,239 and 30,236

Step by Step Solution

1. Step 1: Write the proportion equation
   20,239 : 30,236 = 30,236 : x
2. Step 2: Convert to fraction form
   20,239/30,236 = 30,236/x
3. Step 3: Cross multiply
   20,239x = 30,236 × 30,236
4. Step 4: Simplify right side
   20,239x = 914,215,696
5. Step 5: Solve for x
   x = 914,215,696/20,239
6. Step 6: Final answer
   x = 45,170.99