Finding the Third Proportional to 12,797.75 and 19,743.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,797.75 : 19,743.25 = 19,743.25 : x
2. Step 2: Convert to fraction form
   12,797.75/19,743.25 = 19,743.25/x
3. Step 3: Cross multiply
   12,797.75x = 19,743.25 × 19,743.25
4. Step 4: Simplify right side
   12,797.75x = 389,795,920.56
5. Step 5: Solve for x
   x = 389,795,920.56/12,797.75
6. Step 6: Final answer
   x = 30,458.16