Finding the Third Proportional to 3,451,823 and 7,509,670

Step by Step Solution

1. Step 1: Write the proportion equation
   3,451,823 : 7,509,670 = 7,509,670 : x
2. Step 2: Convert to fraction form
   3,451,823/7,509,670 = 7,509,670/x
3. Step 3: Cross multiply
   3,451,823x = 7,509,670 × 7,509,670
4. Step 4: Simplify right side
   3,451,823x = 56,395,143,508,900
5. Step 5: Solve for x
   x = 56,395,143,508,900/3,451,823
6. Step 6: Final answer
   x = 16,337,785.43