Finding the Third Proportional to 5,455,190 and 8,182,785

Step by Step Solution

1. Step 1: Write the proportion equation
   5,455,190 : 8,182,785 = 8,182,785 : x
2. Step 2: Convert to fraction form
   5,455,190/8,182,785 = 8,182,785/x
3. Step 3: Cross multiply
   5,455,190x = 8,182,785 × 8,182,785
4. Step 4: Simplify right side
   5,455,190x = 66,957,970,356,225
5. Step 5: Solve for x
   x = 66,957,970,356,225/5,455,190
6. Step 6: Final answer
   x = 12,274,177.50