Finding the Third Proportional to 2,017,770 and 4,222,488

Step by Step Solution

1. Step 1: Write the proportion equation
   2,017,770 : 4,222,488 = 4,222,488 : x
2. Step 2: Convert to fraction form
   2,017,770/4,222,488 = 4,222,488/x
3. Step 3: Cross multiply
   2,017,770x = 4,222,488 × 4,222,488
4. Step 4: Simplify right side
   2,017,770x = 17,829,404,910,144
5. Step 5: Solve for x
   x = 17,829,404,910,144/2,017,770
6. Step 6: Final answer
   x = 8,836,192.88