Finding the Third Proportional to 2,489,049 and 5,428,602

Step by Step Solution

1. Step 1: Write the proportion equation
   2,489,049 : 5,428,602 = 5,428,602 : x
2. Step 2: Convert to fraction form
   2,489,049/5,428,602 = 5,428,602/x
3. Step 3: Cross multiply
   2,489,049x = 5,428,602 × 5,428,602
4. Step 4: Simplify right side
   2,489,049x = 29,469,719,674,404
5. Step 5: Solve for x
   x = 29,469,719,674,404/2,489,049
6. Step 6: Final answer
   x = 11,839,750.71