Finding the Third Proportional to 1,038,136 and 2,231,456

Step by Step Solution

1. Step 1: Write the proportion equation
   1,038,136 : 2,231,456 = 2,231,456 : x
2. Step 2: Convert to fraction form
   1,038,136/2,231,456 = 2,231,456/x
3. Step 3: Cross multiply
   1,038,136x = 2,231,456 × 2,231,456
4. Step 4: Simplify right side
   1,038,136x = 4,979,395,879,936
5. Step 5: Solve for x
   x = 4,979,395,879,936/1,038,136
6. Step 6: Final answer
   x = 4,796,477.42