Finding the Third Proportional to 142,323 and 308,022

Step by Step Solution

1. Step 1: Write the proportion equation
   142,323 : 308,022 = 308,022 : x
2. Step 2: Convert to fraction form
   142,323/308,022 = 308,022/x
3. Step 3: Cross multiply
   142,323x = 308,022 × 308,022
4. Step 4: Simplify right side
   142,323x = 94,877,552,484
5. Step 5: Solve for x
   x = 94,877,552,484/142,323
6. Step 6: Final answer
   x = 666,635.42