Finding the Third Proportional to 127,412 and 274,648

Step by Step Solution

1. Step 1: Write the proportion equation
   127,412 : 274,648 = 274,648 : x
2. Step 2: Convert to fraction form
   127,412/274,648 = 274,648/x
3. Step 3: Cross multiply
   127,412x = 274,648 × 274,648
4. Step 4: Simplify right side
   127,412x = 75,431,523,904
5. Step 5: Solve for x
   x = 75,431,523,904/127,412
6. Step 6: Final answer
   x = 592,028.41