Finding the Third Proportional to 12,727.69 and 18,710.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,727.69 : 18,710.30 = 18,710.30 : x
2. Step 2: Convert to fraction form
   12,727.69/18,710.30 = 18,710.30/x
3. Step 3: Cross multiply
   12,727.69x = 18,710.30 × 18,710.30
4. Step 4: Simplify right side
   12,727.69x = 350,075,209.15
5. Step 5: Solve for x
   x = 350,075,209.15/12,727.69
6. Step 6: Final answer
   x = 27,505.01