Finding the Third Proportional to 997,112 and 2,174,638

Step by Step Solution

1. Step 1: Write the proportion equation
   997,112 : 2,174,638 = 2,174,638 : x
2. Step 2: Convert to fraction form
   997,112/2,174,638 = 2,174,638/x
3. Step 3: Cross multiply
   997,112x = 2,174,638 × 2,174,638
4. Step 4: Simplify right side
   997,112x = 4,729,050,431,044
5. Step 5: Solve for x
   x = 4,729,050,431,044/997,112
6. Step 6: Final answer
   x = 4,742,747.49