Finding the Third Proportional to 155,918 and 228,042

Step by Step Solution

1. Step 1: Write the proportion equation
   155,918 : 228,042 = 228,042 : x
2. Step 2: Convert to fraction form
   155,918/228,042 = 228,042/x
3. Step 3: Cross multiply
   155,918x = 228,042 × 228,042
4. Step 4: Simplify right side
   155,918x = 52,003,153,764
5. Step 5: Solve for x
   x = 52,003,153,764/155,918
6. Step 6: Final answer
   x = 333,528.87