Finding the Third Proportional to 5,463,860 and 8,018,642

Step by Step Solution

1. Step 1: Write the proportion equation
   5,463,860 : 8,018,642 = 8,018,642 : x
2. Step 2: Convert to fraction form
   5,463,860/8,018,642 = 8,018,642/x
3. Step 3: Cross multiply
   5,463,860x = 8,018,642 × 8,018,642
4. Step 4: Simplify right side
   5,463,860x = 64,298,619,524,164
5. Step 5: Solve for x
   x = 64,298,619,524,164/5,463,860
6. Step 6: Final answer
   x = 11,767,984.45