Finding the Third Proportional to 1,200,496 and 1,831,228

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200,496 : 1,831,228 = 1,831,228 : x
2. Step 2: Convert to fraction form
   1,200,496/1,831,228 = 1,831,228/x
3. Step 3: Cross multiply
   1,200,496x = 1,831,228 × 1,831,228
4. Step 4: Simplify right side
   1,200,496x = 3,353,395,987,984
5. Step 5: Solve for x
   x = 3,353,395,987,984/1,200,496
6. Step 6: Final answer
   x = 2,793,342.08