Finding the Third Proportional to 19,009.69 and 30,440.81

Step by Step Solution

1. Step 1: Write the proportion equation
   19,009.69 : 30,440.81 = 30,440.81 : x
2. Step 2: Convert to fraction form
   19,009.69/30,440.81 = 30,440.81/x
3. Step 3: Cross multiply
   19,009.69x = 30,440.81 × 30,440.81
4. Step 4: Simplify right side
   19,009.69x = 926,643,065.66
5. Step 5: Solve for x
   x = 926,643,065.66/19,009.69
6. Step 6: Final answer
   x = 48,745.83