Finding the Third Proportional to 406,608 and 632,056

Step by Step Solution

1. Step 1: Write the proportion equation
   406,608 : 632,056 = 632,056 : x
2. Step 2: Convert to fraction form
   406,608/632,056 = 632,056/x
3. Step 3: Cross multiply
   406,608x = 632,056 × 632,056
4. Step 4: Simplify right side
   406,608x = 399,494,787,136
5. Step 5: Solve for x
   x = 399,494,787,136/406,608
6. Step 6: Final answer
   x = 982,505.97