Finding the Third Proportional to 20,228.50 and 31,666

Step by Step Solution

1. Step 1: Write the proportion equation
   20,228.50 : 31,666 = 31,666 : x
2. Step 2: Convert to fraction form
   20,228.50/31,666 = 31,666/x
3. Step 3: Cross multiply
   20,228.50x = 31,666 × 31,666
4. Step 4: Simplify right side
   20,228.50x = 1,002,735,556
5. Step 5: Solve for x
   x = 1,002,735,556/20,228.50
6. Step 6: Final answer
   x = 49,570.44