Finding the Third Proportional to 5,340,310 and 8,263,885

Step by Step Solution

1. Step 1: Write the proportion equation
   5,340,310 : 8,263,885 = 8,263,885 : x
2. Step 2: Convert to fraction form
   5,340,310/8,263,885 = 8,263,885/x
3. Step 3: Cross multiply
   5,340,310x = 8,263,885 × 8,263,885
4. Step 4: Simplify right side
   5,340,310x = 68,291,795,293,225
5. Step 5: Solve for x
   x = 68,291,795,293,225/5,340,310
6. Step 6: Final answer
   x = 12,787,983.34