Finding the Third Proportional to 1,804,216 and 3,890,495

Step by Step Solution

1. Step 1: Write the proportion equation
   1,804,216 : 3,890,495 = 3,890,495 : x
2. Step 2: Convert to fraction form
   1,804,216/3,890,495 = 3,890,495/x
3. Step 3: Cross multiply
   1,804,216x = 3,890,495 × 3,890,495
4. Step 4: Simplify right side
   1,804,216x = 15,135,951,345,025
5. Step 5: Solve for x
   x = 15,135,951,345,025/1,804,216
6. Step 6: Final answer
   x = 8,389,212.46