Finding the Third Proportional to 322,320 and 453,096

Step by Step Solution

1. Step 1: Write the proportion equation
   322,320 : 453,096 = 453,096 : x
2. Step 2: Convert to fraction form
   322,320/453,096 = 453,096/x
3. Step 3: Cross multiply
   322,320x = 453,096 × 453,096
4. Step 4: Simplify right side
   322,320x = 205,295,985,216
5. Step 5: Solve for x
   x = 205,295,985,216/322,320
6. Step 6: Final answer
   x = 636,932.20