Finding the Third Proportional to 3,854,658 and 8,570,968

Step by Step Solution

1. Step 1: Write the proportion equation
   3,854,658 : 8,570,968 = 8,570,968 : x
2. Step 2: Convert to fraction form
   3,854,658/8,570,968 = 8,570,968/x
3. Step 3: Cross multiply
   3,854,658x = 8,570,968 × 8,570,968
4. Step 4: Simplify right side
   3,854,658x = 73,461,492,457,024
5. Step 5: Solve for x
   x = 73,461,492,457,024/3,854,658
6. Step 6: Final answer
   x = 19,057,849.61