Finding the Third Proportional to 206,584 and 443,300

Step by Step Solution

1. Step 1: Write the proportion equation
   206,584 : 443,300 = 443,300 : x
2. Step 2: Convert to fraction form
   206,584/443,300 = 443,300/x
3. Step 3: Cross multiply
   206,584x = 443,300 × 443,300
4. Step 4: Simplify right side
   206,584x = 196,514,890,000
5. Step 5: Solve for x
   x = 196,514,890,000/206,584
6. Step 6: Final answer
   x = 951,259.00