Finding the Third Proportional to 72,449 and 155,610

Step by Step Solution

1. Step 1: Write the proportion equation
   72,449 : 155,610 = 155,610 : x
2. Step 2: Convert to fraction form
   72,449/155,610 = 155,610/x
3. Step 3: Cross multiply
   72,449x = 155,610 × 155,610
4. Step 4: Simplify right side
   72,449x = 24,214,472,100
5. Step 5: Solve for x
   x = 24,214,472,100/72,449
6. Step 6: Final answer
   x = 334,227.83