Finding the Third Proportional to 228,588 and 362,257.50

Step by Step Solution

1. Step 1: Write the proportion equation
   228,588 : 362,257.50 = 362,257.50 : x
2. Step 2: Convert to fraction form
   228,588/362,257.50 = 362,257.50/x
3. Step 3: Cross multiply
   228,588x = 362,257.50 × 362,257.50
4. Step 4: Simplify right side
   228,588x = 131,230,496,306.25
5. Step 5: Solve for x
   x = 131,230,496,306.25/228,588
6. Step 6: Final answer
   x = 574,091.80