Finding the Third Proportional to 297,711 and 446,620.50

Step by Step Solution

1. Step 1: Write the proportion equation
   297,711 : 446,620.50 = 446,620.50 : x
2. Step 2: Convert to fraction form
   297,711/446,620.50 = 446,620.50/x
3. Step 3: Cross multiply
   297,711x = 446,620.50 × 446,620.50
4. Step 4: Simplify right side
   297,711x = 199,469,871,020.25
5. Step 5: Solve for x
   x = 199,469,871,020.25/297,711
6. Step 6: Final answer
   x = 670,011.76