Finding the Third Proportional to 2,123,612 and 4,585,048

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123,612 : 4,585,048 = 4,585,048 : x
2. Step 2: Convert to fraction form
   2,123,612/4,585,048 = 4,585,048/x
3. Step 3: Cross multiply
   2,123,612x = 4,585,048 × 4,585,048
4. Step 4: Simplify right side
   2,123,612x = 21,022,665,162,304
5. Step 5: Solve for x
   x = 21,022,665,162,304/2,123,612
6. Step 6: Final answer
   x = 9,899,485.01