Finding the Third Proportional to 206,890 and 483,492

Step by Step Solution

1. Step 1: Write the proportion equation
   206,890 : 483,492 = 483,492 : x
2. Step 2: Convert to fraction form
   206,890/483,492 = 483,492/x
3. Step 3: Cross multiply
   206,890x = 483,492 × 483,492
4. Step 4: Simplify right side
   206,890x = 233,764,514,064
5. Step 5: Solve for x
   x = 233,764,514,064/206,890
6. Step 6: Final answer
   x = 1,129,897.60