Finding the Third Proportional to 72,204 and 154,380

Step by Step Solution

1. Step 1: Write the proportion equation
   72,204 : 154,380 = 154,380 : x
2. Step 2: Convert to fraction form
   72,204/154,380 = 154,380/x
3. Step 3: Cross multiply
   72,204x = 154,380 × 154,380
4. Step 4: Simplify right side
   72,204x = 23,833,184,400
5. Step 5: Solve for x
   x = 23,833,184,400/72,204
6. Step 6: Final answer
   x = 330,081.22