Finding the Third Proportional to 208,328 and 448,300

Step by Step Solution

1. Step 1: Write the proportion equation
   208,328 : 448,300 = 448,300 : x
2. Step 2: Convert to fraction form
   208,328/448,300 = 448,300/x
3. Step 3: Cross multiply
   208,328x = 448,300 × 448,300
4. Step 4: Simplify right side
   208,328x = 200,972,890,000
5. Step 5: Solve for x
   x = 200,972,890,000/208,328
6. Step 6: Final answer
   x = 964,694.57