Finding the Third Proportional to 139,958 and 302,018

Step by Step Solution

1. Step 1: Write the proportion equation
   139,958 : 302,018 = 302,018 : x
2. Step 2: Convert to fraction form
   139,958/302,018 = 302,018/x
3. Step 3: Cross multiply
   139,958x = 302,018 × 302,018
4. Step 4: Simplify right side
   139,958x = 91,214,872,324
5. Step 5: Solve for x
   x = 91,214,872,324/139,958
6. Step 6: Final answer
   x = 651,730.32