Finding the Third Proportional to 4,348,256 and 9,222,690

Step by Step Solution

1. Step 1: Write the proportion equation
   4,348,256 : 9,222,690 = 9,222,690 : x
2. Step 2: Convert to fraction form
   4,348,256/9,222,690 = 9,222,690/x
3. Step 3: Cross multiply
   4,348,256x = 9,222,690 × 9,222,690
4. Step 4: Simplify right side
   4,348,256x = 85,058,010,836,100
5. Step 5: Solve for x
   x = 85,058,010,836,100/4,348,256
6. Step 6: Final answer
   x = 19,561,408.26