Finding the Third Proportional to 12,904.88 and 19,727.44

Step by Step Solution

1. Step 1: Write the proportion equation
   12,904.88 : 19,727.44 = 19,727.44 : x
2. Step 2: Convert to fraction form
   12,904.88/19,727.44 = 19,727.44/x
3. Step 3: Cross multiply
   12,904.88x = 19,727.44 × 19,727.44
4. Step 4: Simplify right side
   12,904.88x = 389,171,790.32
5. Step 5: Solve for x
   x = 389,171,790.32/12,904.88
6. Step 6: Final answer
   x = 30,156.96