Finding the Third Proportional to 262,457.72 and 394,687.69

Step by Step Solution

1. Step 1: Write the proportion equation
   262,457.72 : 394,687.69 = 394,687.69 : x
2. Step 2: Convert to fraction form
   262,457.72/394,687.69 = 394,687.69/x
3. Step 3: Cross multiply
   262,457.72x = 394,687.69 × 394,687.69
4. Step 4: Simplify right side
   262,457.72x = 155,778,370,664.10
5. Step 5: Solve for x
   x = 155,778,370,664.10/262,457.72
6. Step 6: Final answer
   x = 593,537.01