Finding the Third Proportional to 296,574.50 and 699,807

Step by Step Solution

1. Step 1: Write the proportion equation
   296,574.50 : 699,807 = 699,807 : x
2. Step 2: Convert to fraction form
   296,574.50/699,807 = 699,807/x
3. Step 3: Cross multiply
   296,574.50x = 699,807 × 699,807
4. Step 4: Simplify right side
   296,574.50x = 489,729,837,249
5. Step 5: Solve for x
   x = 489,729,837,249/296,574.50
6. Step 6: Final answer
   x = 1,651,287.74