Finding the Third Proportional to 9,451.50 and 20,712

Step by Step Solution

1. Step 1: Write the proportion equation
   9,451.50 : 20,712 = 20,712 : x
2. Step 2: Convert to fraction form
   9,451.50/20,712 = 20,712/x
3. Step 3: Cross multiply
   9,451.50x = 20,712 × 20,712
4. Step 4: Simplify right side
   9,451.50x = 428,986,944
5. Step 5: Solve for x
   x = 428,986,944/9,451.50
6. Step 6: Final answer
   x = 45,388.24