Finding the Third Proportional to 142,926.50 and 282,238

Step by Step Solution

1. Step 1: Write the proportion equation
   142,926.50 : 282,238 = 282,238 : x
2. Step 2: Convert to fraction form
   142,926.50/282,238 = 282,238/x
3. Step 3: Cross multiply
   142,926.50x = 282,238 × 282,238
4. Step 4: Simplify right side
   142,926.50x = 79,658,288,644
5. Step 5: Solve for x
   x = 79,658,288,644/142,926.50
6. Step 6: Final answer
   x = 557,337.43