Finding the Third Proportional to 278,501.25 and 594,586.50

Step by Step Solution

1. Step 1: Write the proportion equation
   278,501.25 : 594,586.50 = 594,586.50 : x
2. Step 2: Convert to fraction form
   278,501.25/594,586.50 = 594,586.50/x
3. Step 3: Cross multiply
   278,501.25x = 594,586.50 × 594,586.50
4. Step 4: Simplify right side
   278,501.25x = 353,533,105,982.25
5. Step 5: Solve for x
   x = 353,533,105,982.25/278,501.25
6. Step 6: Final answer
   x = 1,269,413.00