Finding the Third Proportional to 433,899 and 667,369.50

Step by Step Solution

1. Step 1: Write the proportion equation
   433,899 : 667,369.50 = 667,369.50 : x
2. Step 2: Convert to fraction form
   433,899/667,369.50 = 667,369.50/x
3. Step 3: Cross multiply
   433,899x = 667,369.50 × 667,369.50
4. Step 4: Simplify right side
   433,899x = 445,382,049,530.25
5. Step 5: Solve for x
   x = 445,382,049,530.25/433,899
6. Step 6: Final answer
   x = 1,026,464.80