Finding the Third Proportional to 208,280 and 448,204

Step by Step Solution

1. Step 1: Write the proportion equation
   208,280 : 448,204 = 448,204 : x
2. Step 2: Convert to fraction form
   208,280/448,204 = 448,204/x
3. Step 3: Cross multiply
   208,280x = 448,204 × 448,204
4. Step 4: Simplify right side
   208,280x = 200,886,825,616
5. Step 5: Solve for x
   x = 200,886,825,616/208,280
6. Step 6: Final answer
   x = 964,503.68