Finding the Third Proportional to 231,835.50 and 488,578.50

Step by Step Solution

1. Step 1: Write the proportion equation
   231,835.50 : 488,578.50 = 488,578.50 : x
2. Step 2: Convert to fraction form
   231,835.50/488,578.50 = 488,578.50/x
3. Step 3: Cross multiply
   231,835.50x = 488,578.50 × 488,578.50
4. Step 4: Simplify right side
   231,835.50x = 238,708,950,662.25
5. Step 5: Solve for x
   x = 238,708,950,662.25/231,835.50
6. Step 6: Final answer
   x = 1,029,647.96