Finding the Third Proportional to 406,524 and 603,886

Step by Step Solution

1. Step 1: Write the proportion equation
   406,524 : 603,886 = 603,886 : x
2. Step 2: Convert to fraction form
   406,524/603,886 = 603,886/x
3. Step 3: Cross multiply
   406,524x = 603,886 × 603,886
4. Step 4: Simplify right side
   406,524x = 364,678,300,996
5. Step 5: Solve for x
   x = 364,678,300,996/406,524
6. Step 6: Final answer
   x = 897,064.63