Finding the Third Proportional to 3,613,689 and 5,284,575

Step by Step Solution

1. Step 1: Write the proportion equation
   3,613,689 : 5,284,575 = 5,284,575 : x
2. Step 2: Convert to fraction form
   3,613,689/5,284,575 = 5,284,575/x
3. Step 3: Cross multiply
   3,613,689x = 5,284,575 × 5,284,575
4. Step 4: Simplify right side
   3,613,689x = 27,926,732,930,625
5. Step 5: Solve for x
   x = 27,926,732,930,625/3,613,689
6. Step 6: Final answer
   x = 7,728,039.94