Finding the Third Proportional to 296,776.50 and 699,870.50

Step by Step Solution

1. Step 1: Write the proportion equation
   296,776.50 : 699,870.50 = 699,870.50 : x
2. Step 2: Convert to fraction form
   296,776.50/699,870.50 = 699,870.50/x
3. Step 3: Cross multiply
   296,776.50x = 699,870.50 × 699,870.50
4. Step 4: Simplify right side
   296,776.50x = 489,818,716,770.25
5. Step 5: Solve for x
   x = 489,818,716,770.25/296,776.50
6. Step 6: Final answer
   x = 1,650,463.28