Finding the Third Proportional to 72,588 and 155,018

Step by Step Solution

1. Step 1: Write the proportion equation
   72,588 : 155,018 = 155,018 : x
2. Step 2: Convert to fraction form
   72,588/155,018 = 155,018/x
3. Step 3: Cross multiply
   72,588x = 155,018 × 155,018
4. Step 4: Simplify right side
   72,588x = 24,030,580,324
5. Step 5: Solve for x
   x = 24,030,580,324/72,588
6. Step 6: Final answer
   x = 331,054.45