Finding the Third Proportional to 997,641 and 2,181,906

Step by Step Solution

1. Step 1: Write the proportion equation
   997,641 : 2,181,906 = 2,181,906 : x
2. Step 2: Convert to fraction form
   997,641/2,181,906 = 2,181,906/x
3. Step 3: Cross multiply
   997,641x = 2,181,906 × 2,181,906
4. Step 4: Simplify right side
   997,641x = 4,760,713,792,836
5. Step 5: Solve for x
   x = 4,760,713,792,836/997,641
6. Step 6: Final answer
   x = 4,771,970.87