Finding the Third Proportional to 10,606 and 20,248

Step by Step Solution

1. Step 1: Write the proportion equation
   10,606 : 20,248 = 20,248 : x
2. Step 2: Convert to fraction form
   10,606/20,248 = 20,248/x
3. Step 3: Cross multiply
   10,606x = 20,248 × 20,248
4. Step 4: Simplify right side
   10,606x = 409,981,504
5. Step 5: Solve for x
   x = 409,981,504/10,606
6. Step 6: Final answer
   x = 38,655.62