Finding the Third Proportional to 842,684 and 1,843,021

Step by Step Solution

1. Step 1: Write the proportion equation
   842,684 : 1,843,021 = 1,843,021 : x
2. Step 2: Convert to fraction form
   842,684/1,843,021 = 1,843,021/x
3. Step 3: Cross multiply
   842,684x = 1,843,021 × 1,843,021
4. Step 4: Simplify right side
   842,684x = 3,396,726,406,441
5. Step 5: Solve for x
   x = 3,396,726,406,441/842,684
6. Step 6: Final answer
   x = 4,030,842.41