Finding the Third Proportional to 20,668.50 and 31,019.63

Step by Step Solution

1. Step 1: Write the proportion equation
   20,668.50 : 31,019.63 = 31,019.63 : x
2. Step 2: Convert to fraction form
   20,668.50/31,019.63 = 31,019.63/x
3. Step 3: Cross multiply
   20,668.50x = 31,019.63 × 31,019.63
4. Step 4: Simplify right side
   20,668.50x = 962,217,135.14
5. Step 5: Solve for x
   x = 962,217,135.14/20,668.50
6. Step 6: Final answer
   x = 46,554.76