Finding the Third Proportional to 470,413.50 and 706,680

Step by Step Solution

1. Step 1: Write the proportion equation
   470,413.50 : 706,680 = 706,680 : x
2. Step 2: Convert to fraction form
   470,413.50/706,680 = 706,680/x
3. Step 3: Cross multiply
   470,413.50x = 706,680 × 706,680
4. Step 4: Simplify right side
   470,413.50x = 499,396,622,400
5. Step 5: Solve for x
   x = 499,396,622,400/470,413.50
6. Step 6: Final answer
   x = 1,061,612.01