Finding the Third Proportional to 5,455,162 and 8,182,743

Step by Step Solution

1. Step 1: Write the proportion equation
   5,455,162 : 8,182,743 = 8,182,743 : x
2. Step 2: Convert to fraction form
   5,455,162/8,182,743 = 8,182,743/x
3. Step 3: Cross multiply
   5,455,162x = 8,182,743 × 8,182,743
4. Step 4: Simplify right side
   5,455,162x = 66,957,283,004,049
5. Step 5: Solve for x
   x = 66,957,283,004,049/5,455,162
6. Step 6: Final answer
   x = 12,274,114.50