Finding the Third Proportional to 14,245.25 and 20,905.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,245.25 : 20,905.50 = 20,905.50 : x
2. Step 2: Convert to fraction form
   14,245.25/20,905.50 = 20,905.50/x
3. Step 3: Cross multiply
   14,245.25x = 20,905.50 × 20,905.50
4. Step 4: Simplify right side
   14,245.25x = 437,039,930.25
5. Step 5: Solve for x
   x = 437,039,930.25/14,245.25
6. Step 6: Final answer
   x = 30,679.70