Finding the Third Proportional to 78,865.50 and 168,801

Step by Step Solution

1. Step 1: Write the proportion equation
   78,865.50 : 168,801 = 168,801 : x
2. Step 2: Convert to fraction form
   78,865.50/168,801 = 168,801/x
3. Step 3: Cross multiply
   78,865.50x = 168,801 × 168,801
4. Step 4: Simplify right side
   78,865.50x = 28,493,777,601
5. Step 5: Solve for x
   x = 28,493,777,601/78,865.50
6. Step 6: Final answer
   x = 361,295.85