Finding the Third Proportional to 14,115.75 and 21,175.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,115.75 : 21,175.50 = 21,175.50 : x
2. Step 2: Convert to fraction form
   14,115.75/21,175.50 = 21,175.50/x
3. Step 3: Cross multiply
   14,115.75x = 21,175.50 × 21,175.50
4. Step 4: Simplify right side
   14,115.75x = 448,401,800.25
5. Step 5: Solve for x
   x = 448,401,800.25/14,115.75
6. Step 6: Final answer
   x = 31,766.06