Finding the Third Proportional to 117,354 and 253,413.75

Step by Step Solution

1. Step 1: Write the proportion equation
   117,354 : 253,413.75 = 253,413.75 : x
2. Step 2: Convert to fraction form
   117,354/253,413.75 = 253,413.75/x
3. Step 3: Cross multiply
   117,354x = 253,413.75 × 253,413.75
4. Step 4: Simplify right side
   117,354x = 64,218,528,689.06
5. Step 5: Solve for x
   x = 64,218,528,689.06/117,354
6. Step 6: Final answer
   x = 547,220.62