Finding the Third Proportional to 3,613,664 and 7,135,936

Step by Step Solution

1. Step 1: Write the proportion equation
   3,613,664 : 7,135,936 = 7,135,936 : x
2. Step 2: Convert to fraction form
   3,613,664/7,135,936 = 7,135,936/x
3. Step 3: Cross multiply
   3,613,664x = 7,135,936 × 7,135,936
4. Step 4: Simplify right side
   3,613,664x = 50,921,582,596,096
5. Step 5: Solve for x
   x = 50,921,582,596,096/3,613,664
6. Step 6: Final answer
   x = 14,091,399.37