Finding the Third Proportional to 127,364 and 196,390

Step by Step Solution

1. Step 1: Write the proportion equation
   127,364 : 196,390 = 196,390 : x
2. Step 2: Convert to fraction form
   127,364/196,390 = 196,390/x
3. Step 3: Cross multiply
   127,364x = 196,390 × 196,390
4. Step 4: Simplify right side
   127,364x = 38,569,032,100
5. Step 5: Solve for x
   x = 38,569,032,100/127,364
6. Step 6: Final answer
   x = 302,825.23