Finding the Third Proportional to 404,076 and 633,906

Step by Step Solution

1. Step 1: Write the proportion equation
   404,076 : 633,906 = 633,906 : x
2. Step 2: Convert to fraction form
   404,076/633,906 = 633,906/x
3. Step 3: Cross multiply
   404,076x = 633,906 × 633,906
4. Step 4: Simplify right side
   404,076x = 401,836,816,836
5. Step 5: Solve for x
   x = 401,836,816,836/404,076
6. Step 6: Final answer
   x = 994,458.51