Finding the Third Proportional to 12,846,676 and 18,915,162

Step by Step Solution

1. Step 1: Write the proportion equation
   12,846,676 : 18,915,162 = 18,915,162 : x
2. Step 2: Convert to fraction form
   12,846,676/18,915,162 = 18,915,162/x
3. Step 3: Cross multiply
   12,846,676x = 18,915,162 × 18,915,162
4. Step 4: Simplify right side
   12,846,676x = 357,783,353,486,244
5. Step 5: Solve for x
   x = 357,783,353,486,244/12,846,676
6. Step 6: Final answer
   x = 27,850,266.75