Finding the Third Proportional to 5,040,360 and 8,085,366

Step by Step Solution

1. Step 1: Write the proportion equation
   5,040,360 : 8,085,366 = 8,085,366 : x
2. Step 2: Convert to fraction form
   5,040,360/8,085,366 = 8,085,366/x
3. Step 3: Cross multiply
   5,040,360x = 8,085,366 × 8,085,366
4. Step 4: Simplify right side
   5,040,360x = 65,373,143,353,956
5. Step 5: Solve for x
   x = 65,373,143,353,956/5,040,360
6. Step 6: Final answer
   x = 12,969,935.35