Finding the Third Proportional to 8,245.50 and 19,930.13

Step by Step Solution

1. Step 1: Write the proportion equation
   8,245.50 : 19,930.13 = 19,930.13 : x
2. Step 2: Convert to fraction form
   8,245.50/19,930.13 = 19,930.13/x
3. Step 3: Cross multiply
   8,245.50x = 19,930.13 × 19,930.13
4. Step 4: Simplify right side
   8,245.50x = 397,209,882.52
5. Step 5: Solve for x
   x = 397,209,882.52/8,245.50
6. Step 6: Final answer
   x = 48,172.93