Finding the Third Proportional to 19,740.94 and 31,020.75

Step by Step Solution

1. Step 1: Write the proportion equation
   19,740.94 : 31,020.75 = 31,020.75 : x
2. Step 2: Convert to fraction form
   19,740.94/31,020.75 = 31,020.75/x
3. Step 3: Cross multiply
   19,740.94x = 31,020.75 × 31,020.75
4. Step 4: Simplify right side
   19,740.94x = 962,286,930.56
5. Step 5: Solve for x
   x = 962,286,930.56/19,740.94
6. Step 6: Final answer
   x = 48,745.76