Finding the Third Proportional to 236,260 and 341,142

Step by Step Solution

1. Step 1: Write the proportion equation
   236,260 : 341,142 = 341,142 : x
2. Step 2: Convert to fraction form
   236,260/341,142 = 341,142/x
3. Step 3: Cross multiply
   236,260x = 341,142 × 341,142
4. Step 4: Simplify right side
   236,260x = 116,377,864,164
5. Step 5: Solve for x
   x = 116,377,864,164/236,260
6. Step 6: Final answer
   x = 492,583.87