Finding the Third Proportional to 127,900 and 298,738

Step by Step Solution

1. Step 1: Write the proportion equation
   127,900 : 298,738 = 298,738 : x
2. Step 2: Convert to fraction form
   127,900/298,738 = 298,738/x
3. Step 3: Cross multiply
   127,900x = 298,738 × 298,738
4. Step 4: Simplify right side
   127,900x = 89,244,392,644
5. Step 5: Solve for x
   x = 89,244,392,644/127,900
6. Step 6: Final answer
   x = 697,766.95