Finding the Third Proportional to 74,863.50 and 112,285.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,863.50 : 112,285.50 = 112,285.50 : x
2. Step 2: Convert to fraction form
   74,863.50/112,285.50 = 112,285.50/x
3. Step 3: Cross multiply
   74,863.50x = 112,285.50 × 112,285.50
4. Step 4: Simplify right side
   74,863.50x = 12,608,033,510.25
5. Step 5: Solve for x
   x = 12,608,033,510.25/74,863.50
6. Step 6: Final answer
   x = 168,413.63