Finding the Third Proportional to 404,397 and 634,324.50

Step by Step Solution

1. Step 1: Write the proportion equation
   404,397 : 634,324.50 = 634,324.50 : x
2. Step 2: Convert to fraction form
   404,397/634,324.50 = 634,324.50/x
3. Step 3: Cross multiply
   404,397x = 634,324.50 × 634,324.50
4. Step 4: Simplify right side
   404,397x = 402,367,571,300.25
5. Step 5: Solve for x
   x = 402,367,571,300.25/404,397
6. Step 6: Final answer
   x = 994,981.59