Finding the Third Proportional to 842,756 and 1,857,298

Step by Step Solution

1. Step 1: Write the proportion equation
   842,756 : 1,857,298 = 1,857,298 : x
2. Step 2: Convert to fraction form
   842,756/1,857,298 = 1,857,298/x
3. Step 3: Cross multiply
   842,756x = 1,857,298 × 1,857,298
4. Step 4: Simplify right side
   842,756x = 3,449,555,860,804
5. Step 5: Solve for x
   x = 3,449,555,860,804/842,756
6. Step 6: Final answer
   x = 4,093,184.58