Finding the Third Proportional to 139,708 and 301,736

Step by Step Solution

1. Step 1: Write the proportion equation
   139,708 : 301,736 = 301,736 : x
2. Step 2: Convert to fraction form
   139,708/301,736 = 301,736/x
3. Step 3: Cross multiply
   139,708x = 301,736 × 301,736
4. Step 4: Simplify right side
   139,708x = 91,044,613,696
5. Step 5: Solve for x
   x = 91,044,613,696/139,708
6. Step 6: Final answer
   x = 651,677.88