Finding the Third Proportional to 100.03 and 204.28

Step by Step Solution

1. Step 1: Write the proportion equation
   100.03 : 204.28 = 204.28 : x
2. Step 2: Convert to fraction form
   100.03/204.28 = 204.28/x
3. Step 3: Cross multiply
   100.03x = 204.28 × 204.28
4. Step 4: Simplify right side
   100.03x = 41,730.83
5. Step 5: Solve for x
   x = 41,730.83/100.03
6. Step 6: Final answer
   x = 417.18