Finding the Third Proportional to 840,456 and 1,943,676

Step by Step Solution

1. Step 1: Write the proportion equation
   840,456 : 1,943,676 = 1,943,676 : x
2. Step 2: Convert to fraction form
   840,456/1,943,676 = 1,943,676/x
3. Step 3: Cross multiply
   840,456x = 1,943,676 × 1,943,676
4. Step 4: Simplify right side
   840,456x = 3,777,876,392,976
5. Step 5: Solve for x
   x = 3,777,876,392,976/840,456
6. Step 6: Final answer
   x = 4,495,031.74