Finding the Third Proportional to 168,186.38 and 280,300.50

Step by Step Solution

1. Step 1: Write the proportion equation
   168,186.38 : 280,300.50 = 280,300.50 : x
2. Step 2: Convert to fraction form
   168,186.38/280,300.50 = 280,300.50/x
3. Step 3: Cross multiply
   168,186.38x = 280,300.50 × 280,300.50
4. Step 4: Simplify right side
   168,186.38x = 78,568,370,300.25
5. Step 5: Solve for x
   x = 78,568,370,300.25/168,186.38
6. Step 6: Final answer
   x = 467,150.63