Finding the Third Proportional to 843,468 and 1,821,648

Step by Step Solution

1. Step 1: Write the proportion equation
   843,468 : 1,821,648 = 1,821,648 : x
2. Step 2: Convert to fraction form
   843,468/1,821,648 = 1,821,648/x
3. Step 3: Cross multiply
   843,468x = 1,821,648 × 1,821,648
4. Step 4: Simplify right side
   843,468x = 3,318,401,435,904
5. Step 5: Solve for x
   x = 3,318,401,435,904/843,468
6. Step 6: Final answer
   x = 3,934,235.13