Finding the Third Proportional to 154,016.50 and 334,385

Step by Step Solution

1. Step 1: Write the proportion equation
   154,016.50 : 334,385 = 334,385 : x
2. Step 2: Convert to fraction form
   154,016.50/334,385 = 334,385/x
3. Step 3: Cross multiply
   154,016.50x = 334,385 × 334,385
4. Step 4: Simplify right side
   154,016.50x = 111,813,328,225
5. Step 5: Solve for x
   x = 111,813,328,225/154,016.50
6. Step 6: Final answer
   x = 725,982.79