Finding the Third Proportional to 433,221 and 669,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   433,221 : 669,499.50 = 669,499.50 : x
2. Step 2: Convert to fraction form
   433,221/669,499.50 = 669,499.50/x
3. Step 3: Cross multiply
   433,221x = 669,499.50 × 669,499.50
4. Step 4: Simplify right side
   433,221x = 448,229,580,500.25
5. Step 5: Solve for x
   x = 448,229,580,500.25/433,221
6. Step 6: Final answer
   x = 1,034,644.17