Finding the Third Proportional to 206,836 and 455,576

Step by Step Solution

1. Step 1: Write the proportion equation
   206,836 : 455,576 = 455,576 : x
2. Step 2: Convert to fraction form
   206,836/455,576 = 455,576/x
3. Step 3: Cross multiply
   206,836x = 455,576 × 455,576
4. Step 4: Simplify right side
   206,836x = 207,549,491,776
5. Step 5: Solve for x
   x = 207,549,491,776/206,836
6. Step 6: Final answer
   x = 1,003,449.55