Finding the Third Proportional to 19,730.81 and 30,183.47

Step by Step Solution

1. Step 1: Write the proportion equation
   19,730.81 : 30,183.47 = 30,183.47 : x
2. Step 2: Convert to fraction form
   19,730.81/30,183.47 = 30,183.47/x
3. Step 3: Cross multiply
   19,730.81x = 30,183.47 × 30,183.47
4. Step 4: Simplify right side
   19,730.81x = 911,041,785.78
5. Step 5: Solve for x
   x = 911,041,785.78/19,730.81
6. Step 6: Final answer
   x = 46,173.56