Finding the Third Proportional to 1,871,922 and 4,042,728

Step by Step Solution

1. Step 1: Write the proportion equation
   1,871,922 : 4,042,728 = 4,042,728 : x
2. Step 2: Convert to fraction form
   1,871,922/4,042,728 = 4,042,728/x
3. Step 3: Cross multiply
   1,871,922x = 4,042,728 × 4,042,728
4. Step 4: Simplify right side
   1,871,922x = 16,343,649,681,984
5. Step 5: Solve for x
   x = 16,343,649,681,984/1,871,922
6. Step 6: Final answer
   x = 8,730,945.88