Finding the Third Proportional to 3,343,008 and 7,218,000

Step by Step Solution

1. Step 1: Write the proportion equation
   3,343,008 : 7,218,000 = 7,218,000 : x
2. Step 2: Convert to fraction form
   3,343,008/7,218,000 = 7,218,000/x
3. Step 3: Cross multiply
   3,343,008x = 7,218,000 × 7,218,000
4. Step 4: Simplify right side
   3,343,008x = 52,099,524,000,000
5. Step 5: Solve for x
   x = 52,099,524,000,000/3,343,008
6. Step 6: Final answer
   x = 15,584,624.39