Finding the Third Proportional to 4,493,700 and 9,617,256

Step by Step Solution

1. Step 1: Write the proportion equation
   4,493,700 : 9,617,256 = 9,617,256 : x
2. Step 2: Convert to fraction form
   4,493,700/9,617,256 = 9,617,256/x
3. Step 3: Cross multiply
   4,493,700x = 9,617,256 × 9,617,256
4. Step 4: Simplify right side
   4,493,700x = 92,491,612,969,536
5. Step 5: Solve for x
   x = 92,491,612,969,536/4,493,700
6. Step 6: Final answer
   x = 20,582,507.28