Finding the Third Proportional to 303,003.50 and 637,414.50

Step by Step Solution

1. Step 1: Write the proportion equation
   303,003.50 : 637,414.50 = 637,414.50 : x
2. Step 2: Convert to fraction form
   303,003.50/637,414.50 = 637,414.50/x
3. Step 3: Cross multiply
   303,003.50x = 637,414.50 × 637,414.50
4. Step 4: Simplify right side
   303,003.50x = 406,297,244,810.25
5. Step 5: Solve for x
   x = 406,297,244,810.25/303,003.50
6. Step 6: Final answer
   x = 1,340,899.51