Finding the Third Proportional to 263,560.50 and 401,544

Step by Step Solution

1. Step 1: Write the proportion equation
   263,560.50 : 401,544 = 401,544 : x
2. Step 2: Convert to fraction form
   263,560.50/401,544 = 401,544/x
3. Step 3: Cross multiply
   263,560.50x = 401,544 × 401,544
4. Step 4: Simplify right side
   263,560.50x = 161,237,583,936
5. Step 5: Solve for x
   x = 161,237,583,936/263,560.50
6. Step 6: Final answer
   x = 611,766.88