Finding the Third Proportional to 72,072 and 155,244

Step by Step Solution

1. Step 1: Write the proportion equation
   72,072 : 155,244 = 155,244 : x
2. Step 2: Convert to fraction form
   72,072/155,244 = 155,244/x
3. Step 3: Cross multiply
   72,072x = 155,244 × 155,244
4. Step 4: Simplify right side
   72,072x = 24,100,699,536
5. Step 5: Solve for x
   x = 24,100,699,536/72,072
6. Step 6: Final answer
   x = 334,397.54