Finding the Third Proportional to 268,238 and 375,910

Step by Step Solution

1. Step 1: Write the proportion equation
   268,238 : 375,910 = 375,910 : x
2. Step 2: Convert to fraction form
   268,238/375,910 = 375,910/x
3. Step 3: Cross multiply
   268,238x = 375,910 × 375,910
4. Step 4: Simplify right side
   268,238x = 141,308,328,100
5. Step 5: Solve for x
   x = 141,308,328,100/268,238
6. Step 6: Final answer
   x = 526,802.05