Finding the Third Proportional to 3,153,378 and 4,871,916

Step by Step Solution

1. Step 1: Write the proportion equation
   3,153,378 : 4,871,916 = 4,871,916 : x
2. Step 2: Convert to fraction form
   3,153,378/4,871,916 = 4,871,916/x
3. Step 3: Cross multiply
   3,153,378x = 4,871,916 × 4,871,916
4. Step 4: Simplify right side
   3,153,378x = 23,735,565,511,056
5. Step 5: Solve for x
   x = 23,735,565,511,056/3,153,378
6. Step 6: Final answer
   x = 7,527,028.32