Finding the Third Proportional to 21,715.75 and 34,413.88

Step by Step Solution

1. Step 1: Write the proportion equation
   21,715.75 : 34,413.88 = 34,413.88 : x
2. Step 2: Convert to fraction form
   21,715.75/34,413.88 = 34,413.88/x
3. Step 3: Cross multiply
   21,715.75x = 34,413.88 × 34,413.88
4. Step 4: Simplify right side
   21,715.75x = 1,184,314,792.52
5. Step 5: Solve for x
   x = 1,184,314,792.52/21,715.75
6. Step 6: Final answer
   x = 54,537.14