Finding the Third Proportional to 5,871,764 and 8,268,510

Step by Step Solution

1. Step 1: Write the proportion equation
   5,871,764 : 8,268,510 = 8,268,510 : x
2. Step 2: Convert to fraction form
   5,871,764/8,268,510 = 8,268,510/x
3. Step 3: Cross multiply
   5,871,764x = 8,268,510 × 8,268,510
4. Step 4: Simplify right side
   5,871,764x = 68,368,257,620,100
5. Step 5: Solve for x
   x = 68,368,257,620,100/5,871,764
6. Step 6: Final answer
   x = 11,643,563.61