Finding the Third Proportional to 5,455,360 and 8,183,040

Step by Step Solution

1. Step 1: Write the proportion equation
   5,455,360 : 8,183,040 = 8,183,040 : x
2. Step 2: Convert to fraction form
   5,455,360/8,183,040 = 8,183,040/x
3. Step 3: Cross multiply
   5,455,360x = 8,183,040 × 8,183,040
4. Step 4: Simplify right side
   5,455,360x = 66,962,143,641,600
5. Step 5: Solve for x
   x = 66,962,143,641,600/5,455,360
6. Step 6: Final answer
   x = 12,274,560