Finding the Third Proportional to 74,413.50 and 112,312.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,413.50 : 112,312.50 = 112,312.50 : x
2. Step 2: Convert to fraction form
   74,413.50/112,312.50 = 112,312.50/x
3. Step 3: Cross multiply
   74,413.50x = 112,312.50 × 112,312.50
4. Step 4: Simplify right side
   74,413.50x = 12,614,097,656.25
5. Step 5: Solve for x
   x = 12,614,097,656.25/74,413.50
6. Step 6: Final answer
   x = 169,513.56