Finding the Third Proportional to 72,042 and 155,182

Step by Step Solution

1. Step 1: Write the proportion equation
   72,042 : 155,182 = 155,182 : x
2. Step 2: Convert to fraction form
   72,042/155,182 = 155,182/x
3. Step 3: Cross multiply
   72,042x = 155,182 × 155,182
4. Step 4: Simplify right side
   72,042x = 24,081,453,124
5. Step 5: Solve for x
   x = 24,081,453,124/72,042
6. Step 6: Final answer
   x = 334,269.64