Finding the Third Proportional to 5,812,296 and 7,978,691

Step by Step Solution

1. Step 1: Write the proportion equation
   5,812,296 : 7,978,691 = 7,978,691 : x
2. Step 2: Convert to fraction form
   5,812,296/7,978,691 = 7,978,691/x
3. Step 3: Cross multiply
   5,812,296x = 7,978,691 × 7,978,691
4. Step 4: Simplify right side
   5,812,296x = 63,659,510,073,481
5. Step 5: Solve for x
   x = 63,659,510,073,481/5,812,296
6. Step 6: Final answer
   x = 10,952,558.18