Finding the Third Proportional to 19,009.69 and 27,380.53

Step by Step Solution

1. Step 1: Write the proportion equation
   19,009.69 : 27,380.53 = 27,380.53 : x
2. Step 2: Convert to fraction form
   19,009.69/27,380.53 = 27,380.53/x
3. Step 3: Cross multiply
   19,009.69x = 27,380.53 × 27,380.53
4. Step 4: Simplify right side
   19,009.69x = 749,693,491.53
5. Step 5: Solve for x
   x = 749,693,491.53/19,009.69
6. Step 6: Final answer
   x = 39,437.44