Finding the Third Proportional to 5,812,326 and 7,978,743

Step by Step Solution

1. Step 1: Write the proportion equation
   5,812,326 : 7,978,743 = 7,978,743 : x
2. Step 2: Convert to fraction form
   5,812,326/7,978,743 = 7,978,743/x
3. Step 3: Cross multiply
   5,812,326x = 7,978,743 × 7,978,743
4. Step 4: Simplify right side
   5,812,326x = 63,660,339,860,049
5. Step 5: Solve for x
   x = 63,660,339,860,049/5,812,326
6. Step 6: Final answer
   x = 10,952,644.41