Finding the Third Proportional to 3,027,172 and 4,687,638

Step by Step Solution

1. Step 1: Write the proportion equation
   3,027,172 : 4,687,638 = 4,687,638 : x
2. Step 2: Convert to fraction form
   3,027,172/4,687,638 = 4,687,638/x
3. Step 3: Cross multiply
   3,027,172x = 4,687,638 × 4,687,638
4. Step 4: Simplify right side
   3,027,172x = 21,973,950,019,044
5. Step 5: Solve for x
   x = 21,973,950,019,044/3,027,172
6. Step 6: Final answer
   x = 7,258,903.70