Finding the Third Proportional to 451,086 and 634,662

Step by Step Solution

1. Step 1: Write the proportion equation
   451,086 : 634,662 = 634,662 : x
2. Step 2: Convert to fraction form
   451,086/634,662 = 634,662/x
3. Step 3: Cross multiply
   451,086x = 634,662 × 634,662
4. Step 4: Simplify right side
   451,086x = 402,795,854,244
5. Step 5: Solve for x
   x = 402,795,854,244/451,086
6. Step 6: Final answer
   x = 892,946.92