Finding the Third Proportional to 19,306.50 and 30,831

Step by Step Solution

1. Step 1: Write the proportion equation
   19,306.50 : 30,831 = 30,831 : x
2. Step 2: Convert to fraction form
   19,306.50/30,831 = 30,831/x
3. Step 3: Cross multiply
   19,306.50x = 30,831 × 30,831
4. Step 4: Simplify right side
   19,306.50x = 950,550,561
5. Step 5: Solve for x
   x = 950,550,561/19,306.50
6. Step 6: Final answer
   x = 49,234.74