Finding the Third Proportional to 271,490 and 584,600

Step by Step Solution

1. Step 1: Write the proportion equation
   271,490 : 584,600 = 584,600 : x
2. Step 2: Convert to fraction form
   271,490/584,600 = 584,600/x
3. Step 3: Cross multiply
   271,490x = 584,600 × 584,600
4. Step 4: Simplify right side
   271,490x = 341,757,160,000
5. Step 5: Solve for x
   x = 341,757,160,000/271,490
6. Step 6: Final answer
   x = 1,258,820.44