Finding the Third Proportional to 2,105,914 and 4,548,072

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,914 : 4,548,072 = 4,548,072 : x
2. Step 2: Convert to fraction form
   2,105,914/4,548,072 = 4,548,072/x
3. Step 3: Cross multiply
   2,105,914x = 4,548,072 × 4,548,072
4. Step 4: Simplify right side
   2,105,914x = 20,684,958,917,184
5. Step 5: Solve for x
   x = 20,684,958,917,184/2,105,914
6. Step 6: Final answer
   x = 9,822,318.92