Finding the Third Proportional to 129,231 and 188,834

Step by Step Solution

1. Step 1: Write the proportion equation
   129,231 : 188,834 = 188,834 : x
2. Step 2: Convert to fraction form
   129,231/188,834 = 188,834/x
3. Step 3: Cross multiply
   129,231x = 188,834 × 188,834
4. Step 4: Simplify right side
   129,231x = 35,658,279,556
5. Step 5: Solve for x
   x = 35,658,279,556/129,231
6. Step 6: Final answer
   x = 275,926.67