Finding the Third Proportional to 404,936 and 886,136

Step by Step Solution

1. Step 1: Write the proportion equation
   404,936 : 886,136 = 886,136 : x
2. Step 2: Convert to fraction form
   404,936/886,136 = 886,136/x
3. Step 3: Cross multiply
   404,936x = 886,136 × 886,136
4. Step 4: Simplify right side
   404,936x = 785,237,010,496
5. Step 5: Solve for x
   x = 785,237,010,496/404,936
6. Step 6: Final answer
   x = 1,939,163.25