Finding the Third Proportional to 139,340 and 301,036

Step by Step Solution

1. Step 1: Write the proportion equation
   139,340 : 301,036 = 301,036 : x
2. Step 2: Convert to fraction form
   139,340/301,036 = 301,036/x
3. Step 3: Cross multiply
   139,340x = 301,036 × 301,036
4. Step 4: Simplify right side
   139,340x = 90,622,673,296
5. Step 5: Solve for x
   x = 90,622,673,296/139,340
6. Step 6: Final answer
   x = 650,370.84