Finding the Third Proportional to 76,619.25 and 158,544

Step by Step Solution

1. Step 1: Write the proportion equation
   76,619.25 : 158,544 = 158,544 : x
2. Step 2: Convert to fraction form
   76,619.25/158,544 = 158,544/x
3. Step 3: Cross multiply
   76,619.25x = 158,544 × 158,544
4. Step 4: Simplify right side
   76,619.25x = 25,136,199,936
5. Step 5: Solve for x
   x = 25,136,199,936/76,619.25
6. Step 6: Final answer
   x = 328,066.38