Finding the Third Proportional to 303,933 and 661,381.50

Step by Step Solution

1. Step 1: Write the proportion equation
   303,933 : 661,381.50 = 661,381.50 : x
2. Step 2: Convert to fraction form
   303,933/661,381.50 = 661,381.50/x
3. Step 3: Cross multiply
   303,933x = 661,381.50 × 661,381.50
4. Step 4: Simplify right side
   303,933x = 437,425,488,542.25
5. Step 5: Solve for x
   x = 437,425,488,542.25/303,933
6. Step 6: Final answer
   x = 1,439,216.83