Finding the Third Proportional to 76,786.88 and 168,336.56

Step by Step Solution

1. Step 1: Write the proportion equation
   76,786.88 : 168,336.56 = 168,336.56 : x
2. Step 2: Convert to fraction form
   76,786.88/168,336.56 = 168,336.56/x
3. Step 3: Cross multiply
   76,786.88x = 168,336.56 × 168,336.56
4. Step 4: Simplify right side
   76,786.88x = 28,337,198,274.32
5. Step 5: Solve for x
   x = 28,337,198,274.32/76,786.88
6. Step 6: Final answer
   x = 369,037.00