Finding the Third Proportional to 856,448 and 1,844,440

Step by Step Solution

1. Step 1: Write the proportion equation
   856,448 : 1,844,440 = 1,844,440 : x
2. Step 2: Convert to fraction form
   856,448/1,844,440 = 1,844,440/x
3. Step 3: Cross multiply
   856,448x = 1,844,440 × 1,844,440
4. Step 4: Simplify right side
   856,448x = 3,401,958,913,600
5. Step 5: Solve for x
   x = 3,401,958,913,600/856,448
6. Step 6: Final answer
   x = 3,972,172.17