Finding the Third Proportional to 504,706.50 and 775,770

Step by Step Solution

1. Step 1: Write the proportion equation
   504,706.50 : 775,770 = 775,770 : x
2. Step 2: Convert to fraction form
   504,706.50/775,770 = 775,770/x
3. Step 3: Cross multiply
   504,706.50x = 775,770 × 775,770
4. Step 4: Simplify right side
   504,706.50x = 601,819,092,900
5. Step 5: Solve for x
   x = 601,819,092,900/504,706.50
6. Step 6: Final answer
   x = 1,192,413.99