Finding the Third Proportional to 22,200 and 31,228

Step by Step Solution

1. Step 1: Write the proportion equation
   22,200 : 31,228 = 31,228 : x
2. Step 2: Convert to fraction form
   22,200/31,228 = 31,228/x
3. Step 3: Cross multiply
   22,200x = 31,228 × 31,228
4. Step 4: Simplify right side
   22,200x = 975,187,984
5. Step 5: Solve for x
   x = 975,187,984/22,200
6. Step 6: Final answer
   x = 43,927.39