Finding the Third Proportional to 72,011 and 155,510

Step by Step Solution

1. Step 1: Write the proportion equation
   72,011 : 155,510 = 155,510 : x
2. Step 2: Convert to fraction form
   72,011/155,510 = 155,510/x
3. Step 3: Cross multiply
   72,011x = 155,510 × 155,510
4. Step 4: Simplify right side
   72,011x = 24,183,360,100
5. Step 5: Solve for x
   x = 24,183,360,100/72,011
6. Step 6: Final answer
   x = 335,828.69