Finding the Third Proportional to 79,616.25 and 187,680.38

Step by Step Solution

1. Step 1: Write the proportion equation
   79,616.25 : 187,680.38 = 187,680.38 : x
2. Step 2: Convert to fraction form
   79,616.25/187,680.38 = 187,680.38/x
3. Step 3: Cross multiply
   79,616.25x = 187,680.38 × 187,680.38
4. Step 4: Simplify right side
   79,616.25x = 35,223,923,160.14
5. Step 5: Solve for x
   x = 35,223,923,160.14/79,616.25
6. Step 6: Final answer
   x = 442,421.28