Finding the Third Proportional to 8,339,879 and 18,274,054

Step by Step Solution

1. Step 1: Write the proportion equation
   8,339,879 : 18,274,054 = 18,274,054 : x
2. Step 2: Convert to fraction form
   8,339,879/18,274,054 = 18,274,054/x
3. Step 3: Cross multiply
   8,339,879x = 18,274,054 × 18,274,054
4. Step 4: Simplify right side
   8,339,879x = 333,941,049,594,916
5. Step 5: Solve for x
   x = 333,941,049,594,916/8,339,879
6. Step 6: Final answer
   x = 40,041,474.17