Finding the Third Proportional to 404,077.50 and 633,879

Step by Step Solution

1. Step 1: Write the proportion equation
   404,077.50 : 633,879 = 633,879 : x
2. Step 2: Convert to fraction form
   404,077.50/633,879 = 633,879/x
3. Step 3: Cross multiply
   404,077.50x = 633,879 × 633,879
4. Step 4: Simplify right side
   404,077.50x = 401,802,586,641
5. Step 5: Solve for x
   x = 401,802,586,641/404,077.50
6. Step 6: Final answer
   x = 994,370.11