Finding the Third Proportional to 106,876.50 and 228,687

Step by Step Solution

1. Step 1: Write the proportion equation
   106,876.50 : 228,687 = 228,687 : x
2. Step 2: Convert to fraction form
   106,876.50/228,687 = 228,687/x
3. Step 3: Cross multiply
   106,876.50x = 228,687 × 228,687
4. Step 4: Simplify right side
   106,876.50x = 52,297,743,969
5. Step 5: Solve for x
   x = 52,297,743,969/106,876.50
6. Step 6: Final answer
   x = 489,328.75