Finding the Third Proportional to 2,558,086 and 5,470,636

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558,086 : 5,470,636 = 5,470,636 : x
2. Step 2: Convert to fraction form
   2,558,086/5,470,636 = 5,470,636/x
3. Step 3: Cross multiply
   2,558,086x = 5,470,636 × 5,470,636
4. Step 4: Simplify right side
   2,558,086x = 29,927,858,244,496
5. Step 5: Solve for x
   x = 29,927,858,244,496/2,558,086
6. Step 6: Final answer
   x = 11,699,316.69