Finding the Third Proportional to 404,777 and 603,881.50

Step by Step Solution

1. Step 1: Write the proportion equation
   404,777 : 603,881.50 = 603,881.50 : x
2. Step 2: Convert to fraction form
   404,777/603,881.50 = 603,881.50/x
3. Step 3: Cross multiply
   404,777x = 603,881.50 × 603,881.50
4. Step 4: Simplify right side
   404,777x = 364,672,866,042.25
5. Step 5: Solve for x
   x = 364,672,866,042.25/404,777
6. Step 6: Final answer
   x = 900,922.89