Finding the Third Proportional to 2,105,653 and 4,311,054

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,653 : 4,311,054 = 4,311,054 : x
2. Step 2: Convert to fraction form
   2,105,653/4,311,054 = 4,311,054/x
3. Step 3: Cross multiply
   2,105,653x = 4,311,054 × 4,311,054
4. Step 4: Simplify right side
   2,105,653x = 18,585,186,590,916
5. Step 5: Solve for x
   x = 18,585,186,590,916/2,105,653
6. Step 6: Final answer
   x = 8,826,329.22