Finding the Third Proportional to 142,517 and 301,054

Step by Step Solution

1. Step 1: Write the proportion equation
   142,517 : 301,054 = 301,054 : x
2. Step 2: Convert to fraction form
   142,517/301,054 = 301,054/x
3. Step 3: Cross multiply
   142,517x = 301,054 × 301,054
4. Step 4: Simplify right side
   142,517x = 90,633,510,916
5. Step 5: Solve for x
   x = 90,633,510,916/142,517
6. Step 6: Final answer
   x = 635,948.77