Finding the Third Proportional to 997,998 and 2,182,620

Step by Step Solution

1. Step 1: Write the proportion equation
   997,998 : 2,182,620 = 2,182,620 : x
2. Step 2: Convert to fraction form
   997,998/2,182,620 = 2,182,620/x
3. Step 3: Cross multiply
   997,998x = 2,182,620 × 2,182,620
4. Step 4: Simplify right side
   997,998x = 4,763,830,064,400
5. Step 5: Solve for x
   x = 4,763,830,064,400/997,998
6. Step 6: Final answer
   x = 4,773,386.38