Finding the Third Proportional to 13,425.56 and 19,727.16

Step by Step Solution

1. Step 1: Write the proportion equation
   13,425.56 : 19,727.16 = 19,727.16 : x
2. Step 2: Convert to fraction form
   13,425.56/19,727.16 = 19,727.16/x
3. Step 3: Cross multiply
   13,425.56x = 19,727.16 × 19,727.16
4. Step 4: Simplify right side
   13,425.56x = 389,160,693.71
5. Step 5: Solve for x
   x = 389,160,693.71/13,425.56
6. Step 6: Final answer
   x = 28,986.55