Finding the Third Proportional to 1,124.50 and 1,228

Step by Step Solution

1. Step 1: Write the proportion equation
   1,124.50 : 1,228 = 1,228 : x
2. Step 2: Convert to fraction form
   1,124.50/1,228 = 1,228/x
3. Step 3: Cross multiply
   1,124.50x = 1,228 × 1,228
4. Step 4: Simplify right side
   1,124.50x = 1,507,984
5. Step 5: Solve for x
   x = 1,507,984/1,124.50
6. Step 6: Final answer
   x = 1,341.03