Finding the Third Proportional to 669,396 and 936,283.50

Step by Step Solution

1. Step 1: Write the proportion equation
   669,396 : 936,283.50 = 936,283.50 : x
2. Step 2: Convert to fraction form
   669,396/936,283.50 = 936,283.50/x
3. Step 3: Cross multiply
   669,396x = 936,283.50 × 936,283.50
4. Step 4: Simplify right side
   669,396x = 876,626,792,372.25
5. Step 5: Solve for x
   x = 876,626,792,372.25/669,396
6. Step 6: Final answer
   x = 1,309,578.77