Finding the Third Proportional to 20,472.75 and 43,132.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,472.75 : 43,132.50 = 43,132.50 : x
2. Step 2: Convert to fraction form
   20,472.75/43,132.50 = 43,132.50/x
3. Step 3: Cross multiply
   20,472.75x = 43,132.50 × 43,132.50
4. Step 4: Simplify right side
   20,472.75x = 1,860,412,556.25
5. Step 5: Solve for x
   x = 1,860,412,556.25/20,472.75
6. Step 6: Final answer
   x = 90,872.63