Finding the Third Proportional to 3,968,658 and 8,694,013

Step by Step Solution

1. Step 1: Write the proportion equation
   3,968,658 : 8,694,013 = 8,694,013 : x
2. Step 2: Convert to fraction form
   3,968,658/8,694,013 = 8,694,013/x
3. Step 3: Cross multiply
   3,968,658x = 8,694,013 × 8,694,013
4. Step 4: Simplify right side
   3,968,658x = 75,585,862,044,169
5. Step 5: Solve for x
   x = 75,585,862,044,169/3,968,658
6. Step 6: Final answer
   x = 19,045,698.08