Finding the Third Proportional to 5,589,500 and 8,412,234

Step by Step Solution

1. Step 1: Write the proportion equation
   5,589,500 : 8,412,234 = 8,412,234 : x
2. Step 2: Convert to fraction form
   5,589,500/8,412,234 = 8,412,234/x
3. Step 3: Cross multiply
   5,589,500x = 8,412,234 × 8,412,234
4. Step 4: Simplify right side
   5,589,500x = 70,765,680,870,756
5. Step 5: Solve for x
   x = 70,765,680,870,756/5,589,500
6. Step 6: Final answer
   x = 12,660,467.10