Finding the Third Proportional to 5,812,318 and 7,978,731

Step by Step Solution

1. Step 1: Write the proportion equation
   5,812,318 : 7,978,731 = 7,978,731 : x
2. Step 2: Convert to fraction form
   5,812,318/7,978,731 = 7,978,731/x
3. Step 3: Cross multiply
   5,812,318x = 7,978,731 × 7,978,731
4. Step 4: Simplify right side
   5,812,318x = 63,660,148,370,361
5. Step 5: Solve for x
   x = 63,660,148,370,361/5,812,318
6. Step 6: Final answer
   x = 10,952,626.54