Finding the Third Proportional to 5,871,784 and 8,268,540

Step by Step Solution

1. Step 1: Write the proportion equation
   5,871,784 : 8,268,540 = 8,268,540 : x
2. Step 2: Convert to fraction form
   5,871,784/8,268,540 = 8,268,540/x
3. Step 3: Cross multiply
   5,871,784x = 8,268,540 × 8,268,540
4. Step 4: Simplify right side
   5,871,784x = 68,368,753,731,600
5. Step 5: Solve for x
   x = 68,368,753,731,600/5,871,784
6. Step 6: Final answer
   x = 11,643,608.44