Finding the Third Proportional to 258,357.94 and 367,443

Step by Step Solution

1. Step 1: Write the proportion equation
   258,357.94 : 367,443 = 367,443 : x
2. Step 2: Convert to fraction form
   258,357.94/367,443 = 367,443/x
3. Step 3: Cross multiply
   258,357.94x = 367,443 × 367,443
4. Step 4: Simplify right side
   258,357.94x = 135,014,358,249
5. Step 5: Solve for x
   x = 135,014,358,249/258,357.94
6. Step 6: Final answer
   x = 522,586.45