Finding the Third Proportional to 208,320 and 448,284

Step by Step Solution

1. Step 1: Write the proportion equation
   208,320 : 448,284 = 448,284 : x
2. Step 2: Convert to fraction form
   208,320/448,284 = 448,284/x
3. Step 3: Cross multiply
   208,320x = 448,284 × 448,284
4. Step 4: Simplify right side
   208,320x = 200,958,544,656
5. Step 5: Solve for x
   x = 200,958,544,656/208,320
6. Step 6: Final answer
   x = 964,662.75