Finding the Third Proportional to 43,120 and 64,413.75

Step by Step Solution

1. Step 1: Write the proportion equation
   43,120 : 64,413.75 = 64,413.75 : x
2. Step 2: Convert to fraction form
   43,120/64,413.75 = 64,413.75/x
3. Step 3: Cross multiply
   43,120x = 64,413.75 × 64,413.75
4. Step 4: Simplify right side
   43,120x = 4,149,131,189.06
5. Step 5: Solve for x
   x = 4,149,131,189.06/43,120
6. Step 6: Final answer
   x = 96,222.89