Finding the Third Proportional to 303,188.06 and 663,131.81

Step by Step Solution

1. Step 1: Write the proportion equation
   303,188.06 : 663,131.81 = 663,131.81 : x
2. Step 2: Convert to fraction form
   303,188.06/663,131.81 = 663,131.81/x
3. Step 3: Cross multiply
   303,188.06x = 663,131.81 × 663,131.81
4. Step 4: Simplify right side
   303,188.06x = 439,743,800,749.54
5. Step 5: Solve for x
   x = 439,743,800,749.54/303,188.06
6. Step 6: Final answer
   x = 1,450,399.46