Finding the Third Proportional to 139,834 and 302,996

Step by Step Solution

1. Step 1: Write the proportion equation
   139,834 : 302,996 = 302,996 : x
2. Step 2: Convert to fraction form
   139,834/302,996 = 302,996/x
3. Step 3: Cross multiply
   139,834x = 302,996 × 302,996
4. Step 4: Simplify right side
   139,834x = 91,806,576,016
5. Step 5: Solve for x
   x = 91,806,576,016/139,834
6. Step 6: Final answer
   x = 656,539.73