Finding the Third Proportional to 244,636 and 344,500

Step by Step Solution

1. Step 1: Write the proportion equation
   244,636 : 344,500 = 344,500 : x
2. Step 2: Convert to fraction form
   244,636/344,500 = 344,500/x
3. Step 3: Cross multiply
   244,636x = 344,500 × 344,500
4. Step 4: Simplify right side
   244,636x = 118,680,250,000
5. Step 5: Solve for x
   x = 118,680,250,000/244,636
6. Step 6: Final answer
   x = 485,129.95