Finding the Third Proportional to 78,595.50 and 168,288

Step by Step Solution

1. Step 1: Write the proportion equation
   78,595.50 : 168,288 = 168,288 : x
2. Step 2: Convert to fraction form
   78,595.50/168,288 = 168,288/x
3. Step 3: Cross multiply
   78,595.50x = 168,288 × 168,288
4. Step 4: Simplify right side
   78,595.50x = 28,320,850,944
5. Step 5: Solve for x
   x = 28,320,850,944/78,595.50
6. Step 6: Final answer
   x = 360,336.80