Finding the Third Proportional to 141,911 and 236,510

Step by Step Solution

1. Step 1: Write the proportion equation
   141,911 : 236,510 = 236,510 : x
2. Step 2: Convert to fraction form
   141,911/236,510 = 236,510/x
3. Step 3: Cross multiply
   141,911x = 236,510 × 236,510
4. Step 4: Simplify right side
   141,911x = 55,936,980,100
5. Step 5: Solve for x
   x = 55,936,980,100/141,911
6. Step 6: Final answer
   x = 394,169.44