Finding the Third Proportional to 9,248 and 20,128

Step by Step Solution

1. Step 1: Write the proportion equation
   9,248 : 20,128 = 20,128 : x
2. Step 2: Convert to fraction form
   9,248/20,128 = 20,128/x
3. Step 3: Cross multiply
   9,248x = 20,128 × 20,128
4. Step 4: Simplify right side
   9,248x = 405,136,384
5. Step 5: Solve for x
   x = 405,136,384/9,248
6. Step 6: Final answer
   x = 43,808