Finding the Third Proportional to 72,581 and 155,530

Step by Step Solution

1. Step 1: Write the proportion equation
   72,581 : 155,530 = 155,530 : x
2. Step 2: Convert to fraction form
   72,581/155,530 = 155,530/x
3. Step 3: Cross multiply
   72,581x = 155,530 × 155,530
4. Step 4: Simplify right side
   72,581x = 24,189,580,900
5. Step 5: Solve for x
   x = 24,189,580,900/72,581
6. Step 6: Final answer
   x = 333,277.04