Finding the Third Proportional to 76,798.50 and 168,358.69

Step by Step Solution

1. Step 1: Write the proportion equation
   76,798.50 : 168,358.69 = 168,358.69 : x
2. Step 2: Convert to fraction form
   76,798.50/168,358.69 = 168,358.69/x
3. Step 3: Cross multiply
   76,798.50x = 168,358.69 × 168,358.69
4. Step 4: Simplify right side
   76,798.50x = 28,344,647,656.72
5. Step 5: Solve for x
   x = 28,344,647,656.72/76,798.50
6. Step 6: Final answer
   x = 369,078.14