Finding the Third Proportional to 835,412 and 1,345,136

Step by Step Solution

1. Step 1: Write the proportion equation
   835,412 : 1,345,136 = 1,345,136 : x
2. Step 2: Convert to fraction form
   835,412/1,345,136 = 1,345,136/x
3. Step 3: Cross multiply
   835,412x = 1,345,136 × 1,345,136
4. Step 4: Simplify right side
   835,412x = 1,809,390,858,496
5. Step 5: Solve for x
   x = 1,809,390,858,496/835,412
6. Step 6: Final answer
   x = 2,165,866.49