Finding the Third Proportional to 5,551,512 and 8,281,218

Step by Step Solution

1. Step 1: Write the proportion equation
   5,551,512 : 8,281,218 = 8,281,218 : x
2. Step 2: Convert to fraction form
   5,551,512/8,281,218 = 8,281,218/x
3. Step 3: Cross multiply
   5,551,512x = 8,281,218 × 8,281,218
4. Step 4: Simplify right side
   5,551,512x = 68,578,571,563,524
5. Step 5: Solve for x
   x = 68,578,571,563,524/5,551,512
6. Step 6: Final answer
   x = 12,353,133.99