Finding the Third Proportional to 14,147.16 and 20,734.73

Step by Step Solution

1. Step 1: Write the proportion equation
   14,147.16 : 20,734.73 = 20,734.73 : x
2. Step 2: Convert to fraction form
   14,147.16/20,734.73 = 20,734.73/x
3. Step 3: Cross multiply
   14,147.16x = 20,734.73 × 20,734.73
4. Step 4: Simplify right side
   14,147.16x = 429,929,209.60
5. Step 5: Solve for x
   x = 429,929,209.60/14,147.16
6. Step 6: Final answer
   x = 30,389.80