Finding the Third Proportional to 401,608.50 and 844,635

Step by Step Solution

1. Step 1: Write the proportion equation
   401,608.50 : 844,635 = 844,635 : x
2. Step 2: Convert to fraction form
   401,608.50/844,635 = 844,635/x
3. Step 3: Cross multiply
   401,608.50x = 844,635 × 844,635
4. Step 4: Simplify right side
   401,608.50x = 713,408,283,225
5. Step 5: Solve for x
   x = 713,408,283,225/401,608.50
6. Step 6: Final answer
   x = 1,776,377.45