Finding the Third Proportional to 165,879 and 226,990.50

Step by Step Solution

1. Step 1: Write the proportion equation
   165,879 : 226,990.50 = 226,990.50 : x
2. Step 2: Convert to fraction form
   165,879/226,990.50 = 226,990.50/x
3. Step 3: Cross multiply
   165,879x = 226,990.50 × 226,990.50
4. Step 4: Simplify right side
   165,879x = 51,524,687,090.25
5. Step 5: Solve for x
   x = 51,524,687,090.25/165,879
6. Step 6: Final answer
   x = 310,616.09