Finding the Third Proportional to 401,607.50 and 844,631

Step by Step Solution

1. Step 1: Write the proportion equation
   401,607.50 : 844,631 = 844,631 : x
2. Step 2: Convert to fraction form
   401,607.50/844,631 = 844,631/x
3. Step 3: Cross multiply
   401,607.50x = 844,631 × 844,631
4. Step 4: Simplify right side
   401,607.50x = 713,401,526,161
5. Step 5: Solve for x
   x = 713,401,526,161/401,607.50
6. Step 6: Final answer
   x = 1,776,365.05