Finding the Third Proportional to 19,644.75 and 30,442.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,644.75 : 30,442.50 = 30,442.50 : x
2. Step 2: Convert to fraction form
   19,644.75/30,442.50 = 30,442.50/x
3. Step 3: Cross multiply
   19,644.75x = 30,442.50 × 30,442.50
4. Step 4: Simplify right side
   19,644.75x = 926,745,806.25
5. Step 5: Solve for x
   x = 926,745,806.25/19,644.75
6. Step 6: Final answer
   x = 47,175.24