Finding the Third Proportional to 303,358.50 and 661,008

Step by Step Solution

1. Step 1: Write the proportion equation
   303,358.50 : 661,008 = 661,008 : x
2. Step 2: Convert to fraction form
   303,358.50/661,008 = 661,008/x
3. Step 3: Cross multiply
   303,358.50x = 661,008 × 661,008
4. Step 4: Simplify right side
   303,358.50x = 436,931,576,064
5. Step 5: Solve for x
   x = 436,931,576,064/303,358.50
6. Step 6: Final answer
   x = 1,440,314.27