Finding the Third Proportional to 856,458 and 1,844,460

Step by Step Solution

1. Step 1: Write the proportion equation
   856,458 : 1,844,460 = 1,844,460 : x
2. Step 2: Convert to fraction form
   856,458/1,844,460 = 1,844,460/x
3. Step 3: Cross multiply
   856,458x = 1,844,460 × 1,844,460
4. Step 4: Simplify right side
   856,458x = 3,402,032,691,600
5. Step 5: Solve for x
   x = 3,402,032,691,600/856,458
6. Step 6: Final answer
   x = 3,972,211.94