Finding the Third Proportional to 127,129 and 274,250

Step by Step Solution

1. Step 1: Write the proportion equation
   127,129 : 274,250 = 274,250 : x
2. Step 2: Convert to fraction form
   127,129/274,250 = 274,250/x
3. Step 3: Cross multiply
   127,129x = 274,250 × 274,250
4. Step 4: Simplify right side
   127,129x = 75,213,062,500
5. Step 5: Solve for x
   x = 75,213,062,500/127,129
6. Step 6: Final answer
   x = 591,627.89