Finding the Third Proportional to 127,600 and 274,700

Step by Step Solution

1. Step 1: Write the proportion equation
   127,600 : 274,700 = 274,700 : x
2. Step 2: Convert to fraction form
   127,600/274,700 = 274,700/x
3. Step 3: Cross multiply
   127,600x = 274,700 × 274,700
4. Step 4: Simplify right side
   127,600x = 75,460,090,000
5. Step 5: Solve for x
   x = 75,460,090,000/127,600
6. Step 6: Final answer
   x = 591,380.02