Finding the Third Proportional to 14,171.88 and 20,486.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,171.88 : 20,486.50 = 20,486.50 : x
2. Step 2: Convert to fraction form
   14,171.88/20,486.50 = 20,486.50/x
3. Step 3: Cross multiply
   14,171.88x = 20,486.50 × 20,486.50
4. Step 4: Simplify right side
   14,171.88x = 419,696,682.25
5. Step 5: Solve for x
   x = 419,696,682.25/14,171.88
6. Step 6: Final answer
   x = 29,614.76