Finding the Third Proportional to 3,613,731 and 5,284,638

Step by Step Solution

1. Step 1: Write the proportion equation
   3,613,731 : 5,284,638 = 5,284,638 : x
2. Step 2: Convert to fraction form
   3,613,731/5,284,638 = 5,284,638/x
3. Step 3: Cross multiply
   3,613,731x = 5,284,638 × 5,284,638
4. Step 4: Simplify right side
   3,613,731x = 27,927,398,791,044
5. Step 5: Solve for x
   x = 27,927,398,791,044/3,613,731
6. Step 6: Final answer
   x = 7,728,134.38