Finding the Third Proportional to 12,932 and 20,510

Step by Step Solution

1. Step 1: Write the proportion equation
   12,932 : 20,510 = 20,510 : x
2. Step 2: Convert to fraction form
   12,932/20,510 = 20,510/x
3. Step 3: Cross multiply
   12,932x = 20,510 × 20,510
4. Step 4: Simplify right side
   12,932x = 420,660,100
5. Step 5: Solve for x
   x = 420,660,100/12,932
6. Step 6: Final answer
   x = 32,528.62