Finding the Third Proportional to 116,572.50 and 254,223

Step by Step Solution

1. Step 1: Write the proportion equation
   116,572.50 : 254,223 = 254,223 : x
2. Step 2: Convert to fraction form
   116,572.50/254,223 = 254,223/x
3. Step 3: Cross multiply
   116,572.50x = 254,223 × 254,223
4. Step 4: Simplify right side
   116,572.50x = 64,629,333,729
5. Step 5: Solve for x
   x = 64,629,333,729/116,572.50
6. Step 6: Final answer
   x = 554,413.21