Finding the Third Proportional to 3,107,318 and 7,324,812

Step by Step Solution

1. Step 1: Write the proportion equation
   3,107,318 : 7,324,812 = 7,324,812 : x
2. Step 2: Convert to fraction form
   3,107,318/7,324,812 = 7,324,812/x
3. Step 3: Cross multiply
   3,107,318x = 7,324,812 × 7,324,812
4. Step 4: Simplify right side
   3,107,318x = 53,652,870,835,344
5. Step 5: Solve for x
   x = 53,652,870,835,344/3,107,318
6. Step 6: Final answer
   x = 17,266,617.33