Finding the Third Proportional to 856,544 and 1,844,640

Step by Step Solution

1. Step 1: Write the proportion equation
   856,544 : 1,844,640 = 1,844,640 : x
2. Step 2: Convert to fraction form
   856,544/1,844,640 = 1,844,640/x
3. Step 3: Cross multiply
   856,544x = 1,844,640 × 1,844,640
4. Step 4: Simplify right side
   856,544x = 3,402,696,729,600
5. Step 5: Solve for x
   x = 3,402,696,729,600/856,544
6. Step 6: Final answer
   x = 3,972,588.37