Finding the Third Proportional to 208,048 and 448,156

Step by Step Solution

1. Step 1: Write the proportion equation
   208,048 : 448,156 = 448,156 : x
2. Step 2: Convert to fraction form
   208,048/448,156 = 448,156/x
3. Step 3: Cross multiply
   208,048x = 448,156 × 448,156
4. Step 4: Simplify right side
   208,048x = 200,843,800,336
5. Step 5: Solve for x
   x = 200,843,800,336/208,048
6. Step 6: Final answer
   x = 965,372.42