Finding the Third Proportional to 404,136.75 and 588,435.56

Step by Step Solution

1. Step 1: Write the proportion equation
   404,136.75 : 588,435.56 = 588,435.56 : x
2. Step 2: Convert to fraction form
   404,136.75/588,435.56 = 588,435.56/x
3. Step 3: Cross multiply
   404,136.75x = 588,435.56 × 588,435.56
4. Step 4: Simplify right side
   404,136.75x = 346,256,411,214.69
5. Step 5: Solve for x
   x = 346,256,411,214.69/404,136.75
6. Step 6: Final answer
   x = 856,780.31