Finding the Third Proportional to 155,902 and 228,020

Step by Step Solution

1. Step 1: Write the proportion equation
   155,902 : 228,020 = 228,020 : x
2. Step 2: Convert to fraction form
   155,902/228,020 = 228,020/x
3. Step 3: Cross multiply
   155,902x = 228,020 × 228,020
4. Step 4: Simplify right side
   155,902x = 51,993,120,400
5. Step 5: Solve for x
   x = 51,993,120,400/155,902
6. Step 6: Final answer
   x = 333,498.74