Finding the Third Proportional to 835,449 and 1,827,390

Step by Step Solution

1. Step 1: Write the proportion equation
   835,449 : 1,827,390 = 1,827,390 : x
2. Step 2: Convert to fraction form
   835,449/1,827,390 = 1,827,390/x
3. Step 3: Cross multiply
   835,449x = 1,827,390 × 1,827,390
4. Step 4: Simplify right side
   835,449x = 3,339,354,212,100
5. Step 5: Solve for x
   x = 3,339,354,212,100/835,449
6. Step 6: Final answer
   x = 3,997,077.27