Finding the Third Proportional to 3,489,444 and 5,251,638

Step by Step Solution

1. Step 1: Write the proportion equation
   3,489,444 : 5,251,638 = 5,251,638 : x
2. Step 2: Convert to fraction form
   3,489,444/5,251,638 = 5,251,638/x
3. Step 3: Cross multiply
   3,489,444x = 5,251,638 × 5,251,638
4. Step 4: Simplify right side
   3,489,444x = 27,579,701,683,044
5. Step 5: Solve for x
   x = 27,579,701,683,044/3,489,444
6. Step 6: Final answer
   x = 7,903,752.48