Finding the Third Proportional to 2,499,646 and 5,450,858

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499,646 : 5,450,858 = 5,450,858 : x
2. Step 2: Convert to fraction form
   2,499,646/5,450,858 = 5,450,858/x
3. Step 3: Cross multiply
   2,499,646x = 5,450,858 × 5,450,858
4. Step 4: Simplify right side
   2,499,646x = 29,711,852,936,164
5. Step 5: Solve for x
   x = 29,711,852,936,164/2,499,646
6. Step 6: Final answer
   x = 11,886,424.29