Finding the Third Proportional to 208,963.50 and 304,686

Step by Step Solution

1. Step 1: Write the proportion equation
   208,963.50 : 304,686 = 304,686 : x
2. Step 2: Convert to fraction form
   208,963.50/304,686 = 304,686/x
3. Step 3: Cross multiply
   208,963.50x = 304,686 × 304,686
4. Step 4: Simplify right side
   208,963.50x = 92,833,558,596
5. Step 5: Solve for x
   x = 92,833,558,596/208,963.50
6. Step 6: Final answer
   x = 444,257.29