Finding the Third Proportional to 14,104 and 20,719.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,104 : 20,719.50 = 20,719.50 : x
2. Step 2: Convert to fraction form
   14,104/20,719.50 = 20,719.50/x
3. Step 3: Cross multiply
   14,104x = 20,719.50 × 20,719.50
4. Step 4: Simplify right side
   14,104x = 429,297,680.25
5. Step 5: Solve for x
   x = 429,297,680.25/14,104
6. Step 6: Final answer
   x = 30,438.01