Finding the Third Proportional to 4,101,128 and 8,974,268

Step by Step Solution

1. Step 1: Write the proportion equation
   4,101,128 : 8,974,268 = 8,974,268 : x
2. Step 2: Convert to fraction form
   4,101,128/8,974,268 = 8,974,268/x
3. Step 3: Cross multiply
   4,101,128x = 8,974,268 × 8,974,268
4. Step 4: Simplify right side
   4,101,128x = 80,537,486,135,824
5. Step 5: Solve for x
   x = 80,537,486,135,824/4,101,128
6. Step 6: Final answer
   x = 19,637,886.49