Finding the Third Proportional to 145,809 and 228,433.50

Step by Step Solution

1. Step 1: Write the proportion equation
   145,809 : 228,433.50 = 228,433.50 : x
2. Step 2: Convert to fraction form
   145,809/228,433.50 = 228,433.50/x
3. Step 3: Cross multiply
   145,809x = 228,433.50 × 228,433.50
4. Step 4: Simplify right side
   145,809x = 52,181,863,922.25
5. Step 5: Solve for x
   x = 52,181,863,922.25/145,809
6. Step 6: Final answer
   x = 357,878.21