Finding the Third Proportional to 5,340,306 and 8,263,884

Step by Step Solution

1. Step 1: Write the proportion equation
   5,340,306 : 8,263,884 = 8,263,884 : x
2. Step 2: Convert to fraction form
   5,340,306/8,263,884 = 8,263,884/x
3. Step 3: Cross multiply
   5,340,306x = 8,263,884 × 8,263,884
4. Step 4: Simplify right side
   5,340,306x = 68,291,778,765,456
5. Step 5: Solve for x
   x = 68,291,778,765,456/5,340,306
6. Step 6: Final answer
   x = 12,787,989.82