Finding the Third Proportional to 262,668.94 and 394,003.69

Step by Step Solution

1. Step 1: Write the proportion equation
   262,668.94 : 394,003.69 = 394,003.69 : x
2. Step 2: Convert to fraction form
   262,668.94/394,003.69 = 394,003.69/x
3. Step 3: Cross multiply
   262,668.94x = 394,003.69 × 394,003.69
4. Step 4: Simplify right side
   262,668.94x = 155,238,905,763.60
5. Step 5: Solve for x
   x = 155,238,905,763.60/262,668.94
6. Step 6: Final answer
   x = 591,005.95