Finding the Third Proportional to 435,404 and 672,524

Step by Step Solution

1. Step 1: Write the proportion equation
   435,404 : 672,524 = 672,524 : x
2. Step 2: Convert to fraction form
   435,404/672,524 = 672,524/x
3. Step 3: Cross multiply
   435,404x = 672,524 × 672,524
4. Step 4: Simplify right side
   435,404x = 452,288,530,576
5. Step 5: Solve for x
   x = 452,288,530,576/435,404
6. Step 6: Final answer
   x = 1,038,779.00