Finding the Third Proportional to 19,456.50 and 30,399.75

Step by Step Solution

1. Step 1: Write the proportion equation
   19,456.50 : 30,399.75 = 30,399.75 : x
2. Step 2: Convert to fraction form
   19,456.50/30,399.75 = 30,399.75/x
3. Step 3: Cross multiply
   19,456.50x = 30,399.75 × 30,399.75
4. Step 4: Simplify right side
   19,456.50x = 924,144,800.06
5. Step 5: Solve for x
   x = 924,144,800.06/19,456.50
6. Step 6: Final answer
   x = 47,498.00