Finding the Third Proportional to 4,119,142 and 8,614,719

Step by Step Solution

1. Step 1: Write the proportion equation
   4,119,142 : 8,614,719 = 8,614,719 : x
2. Step 2: Convert to fraction form
   4,119,142/8,614,719 = 8,614,719/x
3. Step 3: Cross multiply
   4,119,142x = 8,614,719 × 8,614,719
4. Step 4: Simplify right side
   4,119,142x = 74,213,383,448,961
5. Step 5: Solve for x
   x = 74,213,383,448,961/4,119,142
6. Step 6: Final answer
   x = 18,016,709.17