Finding the Third Proportional to 4,492,867 and 9,825,540

Step by Step Solution

1. Step 1: Write the proportion equation
   4,492,867 : 9,825,540 = 9,825,540 : x
2. Step 2: Convert to fraction form
   4,492,867/9,825,540 = 9,825,540/x
3. Step 3: Cross multiply
   4,492,867x = 9,825,540 × 9,825,540
4. Step 4: Simplify right side
   4,492,867x = 96,541,236,291,600
5. Step 5: Solve for x
   x = 96,541,236,291,600/4,492,867
6. Step 6: Final answer
   x = 21,487,668.41