Finding the Third Proportional to 112,144.50 and 168,338.25

Step by Step Solution

1. Step 1: Write the proportion equation
   112,144.50 : 168,338.25 = 168,338.25 : x
2. Step 2: Convert to fraction form
   112,144.50/168,338.25 = 168,338.25/x
3. Step 3: Cross multiply
   112,144.50x = 168,338.25 × 168,338.25
4. Step 4: Simplify right side
   112,144.50x = 28,337,766,413.06
5. Step 5: Solve for x
   x = 28,337,766,413.06/112,144.50
6. Step 6: Final answer
   x = 252,689.76