Finding the Third Proportional to 3,171,540 and 4,831,668

Step by Step Solution

1. Step 1: Write the proportion equation
   3,171,540 : 4,831,668 = 4,831,668 : x
2. Step 2: Convert to fraction form
   3,171,540/4,831,668 = 4,831,668/x
3. Step 3: Cross multiply
   3,171,540x = 4,831,668 × 4,831,668
4. Step 4: Simplify right side
   3,171,540x = 23,345,015,662,224
5. Step 5: Solve for x
   x = 23,345,015,662,224/3,171,540
6. Step 6: Final answer
   x = 7,360,782.35