Finding the Third Proportional to 20,357 and 30,382

Step by Step Solution

1. Step 1: Write the proportion equation
   20,357 : 30,382 = 30,382 : x
2. Step 2: Convert to fraction form
   20,357/30,382 = 30,382/x
3. Step 3: Cross multiply
   20,357x = 30,382 × 30,382
4. Step 4: Simplify right side
   20,357x = 923,065,924
5. Step 5: Solve for x
   x = 923,065,924/20,357
6. Step 6: Final answer
   x = 45,343.91