Finding the Third Proportional to 76,756.50 and 168,336

Step by Step Solution

1. Step 1: Write the proportion equation
   76,756.50 : 168,336 = 168,336 : x
2. Step 2: Convert to fraction form
   76,756.50/168,336 = 168,336/x
3. Step 3: Cross multiply
   76,756.50x = 168,336 × 168,336
4. Step 4: Simplify right side
   76,756.50x = 28,337,008,896
5. Step 5: Solve for x
   x = 28,337,008,896/76,756.50
6. Step 6: Final answer
   x = 369,180.58