Finding the Third Proportional to 113,517 and 170,275.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,517 : 170,275.50 = 170,275.50 : x
2. Step 2: Convert to fraction form
   113,517/170,275.50 = 170,275.50/x
3. Step 3: Cross multiply
   113,517x = 170,275.50 × 170,275.50
4. Step 4: Simplify right side
   113,517x = 28,993,745,900.25
5. Step 5: Solve for x
   x = 28,993,745,900.25/113,517
6. Step 6: Final answer
   x = 255,413.25