Finding the Third Proportional to 12,743.44 and 19,683.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,743.44 : 19,683.56 = 19,683.56 : x
2. Step 2: Convert to fraction form
   12,743.44/19,683.56 = 19,683.56/x
3. Step 3: Cross multiply
   12,743.44x = 19,683.56 × 19,683.56
4. Step 4: Simplify right side
   12,743.44x = 387,442,632.69
5. Step 5: Solve for x
   x = 387,442,632.69/12,743.44
6. Step 6: Final answer
   x = 30,403.31