Finding the Third Proportional to 2,489,686 and 5,461,483

Step by Step Solution

1. Step 1: Write the proportion equation
   2,489,686 : 5,461,483 = 5,461,483 : x
2. Step 2: Convert to fraction form
   2,489,686/5,461,483 = 5,461,483/x
3. Step 3: Cross multiply
   2,489,686x = 5,461,483 × 5,461,483
4. Step 4: Simplify right side
   2,489,686x = 29,827,796,559,289
5. Step 5: Solve for x
   x = 29,827,796,559,289/2,489,686
6. Step 6: Final answer
   x = 11,980,545.56