Finding the Third Proportional to 67,986 and 103,418

Step by Step Solution

1. Step 1: Write the proportion equation
   67,986 : 103,418 = 103,418 : x
2. Step 2: Convert to fraction form
   67,986/103,418 = 103,418/x
3. Step 3: Cross multiply
   67,986x = 103,418 × 103,418
4. Step 4: Simplify right side
   67,986x = 10,695,282,724
5. Step 5: Solve for x
   x = 10,695,282,724/67,986
6. Step 6: Final answer
   x = 157,315.96