Finding the Third Proportional to 4,372,790 and 9,025,676

Step by Step Solution

1. Step 1: Write the proportion equation
   4,372,790 : 9,025,676 = 9,025,676 : x
2. Step 2: Convert to fraction form
   4,372,790/9,025,676 = 9,025,676/x
3. Step 3: Cross multiply
   4,372,790x = 9,025,676 × 9,025,676
4. Step 4: Simplify right side
   4,372,790x = 81,462,827,256,976
5. Step 5: Solve for x
   x = 81,462,827,256,976/4,372,790
6. Step 6: Final answer
   x = 18,629,485.35