Finding the Third Proportional to 122,911 and 175,510

Step by Step Solution

1. Step 1: Write the proportion equation
   122,911 : 175,510 = 175,510 : x
2. Step 2: Convert to fraction form
   122,911/175,510 = 175,510/x
3. Step 3: Cross multiply
   122,911x = 175,510 × 175,510
4. Step 4: Simplify right side
   122,911x = 30,803,760,100
5. Step 5: Solve for x
   x = 30,803,760,100/122,911
6. Step 6: Final answer
   x = 250,618.42