Finding the Third Proportional to 127,771 and 196,988

Step by Step Solution

1. Step 1: Write the proportion equation
   127,771 : 196,988 = 196,988 : x
2. Step 2: Convert to fraction form
   127,771/196,988 = 196,988/x
3. Step 3: Cross multiply
   127,771x = 196,988 × 196,988
4. Step 4: Simplify right side
   127,771x = 38,804,272,144
5. Step 5: Solve for x
   x = 38,804,272,144/127,771
6. Step 6: Final answer
   x = 303,701.72