Finding the Third Proportional to 3,108,586 and 7,327,720

Step by Step Solution

1. Step 1: Write the proportion equation
   3,108,586 : 7,327,720 = 7,327,720 : x
2. Step 2: Convert to fraction form
   3,108,586/7,327,720 = 7,327,720/x
3. Step 3: Cross multiply
   3,108,586x = 7,327,720 × 7,327,720
4. Step 4: Simplify right side
   3,108,586x = 53,695,480,398,400
5. Step 5: Solve for x
   x = 53,695,480,398,400/3,108,586
6. Step 6: Final answer
   x = 17,273,281.29