Finding the Third Proportional to 142,360 and 308,096

Step by Step Solution

1. Step 1: Write the proportion equation
   142,360 : 308,096 = 308,096 : x
2. Step 2: Convert to fraction form
   142,360/308,096 = 308,096/x
3. Step 3: Cross multiply
   142,360x = 308,096 × 308,096
4. Step 4: Simplify right side
   142,360x = 94,923,145,216
5. Step 5: Solve for x
   x = 94,923,145,216/142,360
6. Step 6: Final answer
   x = 666,782.42