Finding the Third Proportional to 20,320 and 23,240

Step by Step Solution

1. Step 1: Write the proportion equation
   20,320 : 23,240 = 23,240 : x
2. Step 2: Convert to fraction form
   20,320/23,240 = 23,240/x
3. Step 3: Cross multiply
   20,320x = 23,240 × 23,240
4. Step 4: Simplify right side
   20,320x = 540,097,600
5. Step 5: Solve for x
   x = 540,097,600/20,320
6. Step 6: Final answer
   x = 26,579.61