Finding the Third Proportional to 1,981,640 and 4,219,024

Step by Step Solution

1. Step 1: Write the proportion equation
   1,981,640 : 4,219,024 = 4,219,024 : x
2. Step 2: Convert to fraction form
   1,981,640/4,219,024 = 4,219,024/x
3. Step 3: Cross multiply
   1,981,640x = 4,219,024 × 4,219,024
4. Step 4: Simplify right side
   1,981,640x = 17,800,163,512,576
5. Step 5: Solve for x
   x = 17,800,163,512,576/1,981,640
6. Step 6: Final answer
   x = 8,982,541.49