Finding the Third Proportional to 5,262,016 and 7,871,872

Step by Step Solution

1. Step 1: Write the proportion equation
   5,262,016 : 7,871,872 = 7,871,872 : x
2. Step 2: Convert to fraction form
   5,262,016/7,871,872 = 7,871,872/x
3. Step 3: Cross multiply
   5,262,016x = 7,871,872 × 7,871,872
4. Step 4: Simplify right side
   5,262,016x = 61,966,368,784,384
5. Step 5: Solve for x
   x = 61,966,368,784,384/5,262,016
6. Step 6: Final answer
   x = 11,776,165.03