Finding the Third Proportional to 142,074 and 236,757

Step by Step Solution

1. Step 1: Write the proportion equation
   142,074 : 236,757 = 236,757 : x
2. Step 2: Convert to fraction form
   142,074/236,757 = 236,757/x
3. Step 3: Cross multiply
   142,074x = 236,757 × 236,757
4. Step 4: Simplify right side
   142,074x = 56,053,877,049
5. Step 5: Solve for x
   x = 56,053,877,049/142,074
6. Step 6: Final answer
   x = 394,540.01