Finding the Third Proportional to 404,401.50 and 634,333.50

Step by Step Solution

1. Step 1: Write the proportion equation
   404,401.50 : 634,333.50 = 634,333.50 : x
2. Step 2: Convert to fraction form
   404,401.50/634,333.50 = 634,333.50/x
3. Step 3: Cross multiply
   404,401.50x = 634,333.50 × 634,333.50
4. Step 4: Simplify right side
   404,401.50x = 402,378,989,222.25
5. Step 5: Solve for x
   x = 402,378,989,222.25/404,401.50
6. Step 6: Final answer
   x = 994,998.76