Finding the Third Proportional to 1,222,824 and 1,630,872

Step by Step Solution

1. Step 1: Write the proportion equation
   1,222,824 : 1,630,872 = 1,630,872 : x
2. Step 2: Convert to fraction form
   1,222,824/1,630,872 = 1,630,872/x
3. Step 3: Cross multiply
   1,222,824x = 1,630,872 × 1,630,872
4. Step 4: Simplify right side
   1,222,824x = 2,659,743,480,384
5. Step 5: Solve for x
   x = 2,659,743,480,384/1,222,824
6. Step 6: Final answer
   x = 2,175,082.82