Finding the Third Proportional to 303,315 and 470,965.50

Step by Step Solution

1. Step 1: Write the proportion equation
   303,315 : 470,965.50 = 470,965.50 : x
2. Step 2: Convert to fraction form
   303,315/470,965.50 = 470,965.50/x
3. Step 3: Cross multiply
   303,315x = 470,965.50 × 470,965.50
4. Step 4: Simplify right side
   303,315x = 221,808,502,190.25
5. Step 5: Solve for x
   x = 221,808,502,190.25/303,315
6. Step 6: Final answer
   x = 731,281.02