Finding the Third Proportional to 13,872.94 and 20,727.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,872.94 : 20,727.56 = 20,727.56 : x
2. Step 2: Convert to fraction form
   13,872.94/20,727.56 = 20,727.56/x
3. Step 3: Cross multiply
   13,872.94x = 20,727.56 × 20,727.56
4. Step 4: Simplify right side
   13,872.94x = 429,631,847.19
5. Step 5: Solve for x
   x = 429,631,847.19/13,872.94
6. Step 6: Final answer
   x = 30,969.06