Finding the Third Proportional to 856,440 and 1,844,424

Step by Step Solution

1. Step 1: Write the proportion equation
   856,440 : 1,844,424 = 1,844,424 : x
2. Step 2: Convert to fraction form
   856,440/1,844,424 = 1,844,424/x
3. Step 3: Cross multiply
   856,440x = 1,844,424 × 1,844,424
4. Step 4: Simplify right side
   856,440x = 3,401,899,891,776
5. Step 5: Solve for x
   x = 3,401,899,891,776/856,440
6. Step 6: Final answer
   x = 3,972,140.36