Finding the Third Proportional to 22,320 and 31,206

Step by Step Solution

1. Step 1: Write the proportion equation
   22,320 : 31,206 = 31,206 : x
2. Step 2: Convert to fraction form
   22,320/31,206 = 31,206/x
3. Step 3: Cross multiply
   22,320x = 31,206 × 31,206
4. Step 4: Simplify right side
   22,320x = 973,814,436
5. Step 5: Solve for x
   x = 973,814,436/22,320
6. Step 6: Final answer
   x = 43,629.68