Finding the Third Proportional to 12,556.75 and 19,455.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,556.75 : 19,455.38 = 19,455.38 : x
2. Step 2: Convert to fraction form
   12,556.75/19,455.38 = 19,455.38/x
3. Step 3: Cross multiply
   12,556.75x = 19,455.38 × 19,455.38
4. Step 4: Simplify right side
   12,556.75x = 378,511,616.39
5. Step 5: Solve for x
   x = 378,511,616.39/12,556.75
6. Step 6: Final answer
   x = 30,144.08