Finding the Third Proportional to 9,320 and 20,280

Step by Step Solution

1. Step 1: Write the proportion equation
   9,320 : 20,280 = 20,280 : x
2. Step 2: Convert to fraction form
   9,320/20,280 = 20,280/x
3. Step 3: Cross multiply
   9,320x = 20,280 × 20,280
4. Step 4: Simplify right side
   9,320x = 411,278,400
5. Step 5: Solve for x
   x = 411,278,400/9,320
6. Step 6: Final answer
   x = 44,128.58