Finding the Third Proportional to 296,817 and 699,958.50

Step by Step Solution

1. Step 1: Write the proportion equation
   296,817 : 699,958.50 = 699,958.50 : x
2. Step 2: Convert to fraction form
   296,817/699,958.50 = 699,958.50/x
3. Step 3: Cross multiply
   296,817x = 699,958.50 × 699,958.50
4. Step 4: Simplify right side
   296,817x = 489,941,901,722.25
5. Step 5: Solve for x
   x = 489,941,901,722.25/296,817
6. Step 6: Final answer
   x = 1,650,653.10