Finding the Third Proportional to 67,067 and 142,129

Step by Step Solution

1. Step 1: Write the proportion equation
   67,067 : 142,129 = 142,129 : x
2. Step 2: Convert to fraction form
   67,067/142,129 = 142,129/x
3. Step 3: Cross multiply
   67,067x = 142,129 × 142,129
4. Step 4: Simplify right side
   67,067x = 20,200,652,641
5. Step 5: Solve for x
   x = 20,200,652,641/67,067
6. Step 6: Final answer
   x = 301,201.08