Finding the Third Proportional to 2,171,124 and 4,540,320

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171,124 : 4,540,320 = 4,540,320 : x
2. Step 2: Convert to fraction form
   2,171,124/4,540,320 = 4,540,320/x
3. Step 3: Cross multiply
   2,171,124x = 4,540,320 × 4,540,320
4. Step 4: Simplify right side
   2,171,124x = 20,614,505,702,400
5. Step 5: Solve for x
   x = 20,614,505,702,400/2,171,124
6. Step 6: Final answer
   x = 9,494,854.14