Finding the Third Proportional to 142,076 and 236,760

Step by Step Solution

1. Step 1: Write the proportion equation
   142,076 : 236,760 = 236,760 : x
2. Step 2: Convert to fraction form
   142,076/236,760 = 236,760/x
3. Step 3: Cross multiply
   142,076x = 236,760 × 236,760
4. Step 4: Simplify right side
   142,076x = 56,055,297,600
5. Step 5: Solve for x
   x = 56,055,297,600/142,076
6. Step 6: Final answer
   x = 394,544.45