Finding the Third Proportional to 19,939.50 and 30,615.75

Step by Step Solution

1. Step 1: Write the proportion equation
   19,939.50 : 30,615.75 = 30,615.75 : x
2. Step 2: Convert to fraction form
   19,939.50/30,615.75 = 30,615.75/x
3. Step 3: Cross multiply
   19,939.50x = 30,615.75 × 30,615.75
4. Step 4: Simplify right side
   19,939.50x = 937,324,148.06
5. Step 5: Solve for x
   x = 937,324,148.06/19,939.50
6. Step 6: Final answer
   x = 47,008.41