Finding the Third Proportional to 3,153,386 and 4,871,928

Step by Step Solution

1. Step 1: Write the proportion equation
   3,153,386 : 4,871,928 = 4,871,928 : x
2. Step 2: Convert to fraction form
   3,153,386/4,871,928 = 4,871,928/x
3. Step 3: Cross multiply
   3,153,386x = 4,871,928 × 4,871,928
4. Step 4: Simplify right side
   3,153,386x = 23,735,682,437,184
5. Step 5: Solve for x
   x = 23,735,682,437,184/3,153,386
6. Step 6: Final answer
   x = 7,527,046.30