Finding the Third Proportional to 2,285,863 and 4,886,653

Step by Step Solution

1. Step 1: Write the proportion equation
   2,285,863 : 4,886,653 = 4,886,653 : x
2. Step 2: Convert to fraction form
   2,285,863/4,886,653 = 4,886,653/x
3. Step 3: Cross multiply
   2,285,863x = 4,886,653 × 4,886,653
4. Step 4: Simplify right side
   2,285,863x = 23,879,377,542,409
5. Step 5: Solve for x
   x = 23,879,377,542,409/2,285,863
6. Step 6: Final answer
   x = 10,446,548.00