Finding the Third Proportional to 139,064 and 302,914

Step by Step Solution

1. Step 1: Write the proportion equation
   139,064 : 302,914 = 302,914 : x
2. Step 2: Convert to fraction form
   139,064/302,914 = 302,914/x
3. Step 3: Cross multiply
   139,064x = 302,914 × 302,914
4. Step 4: Simplify right side
   139,064x = 91,756,891,396
5. Step 5: Solve for x
   x = 91,756,891,396/139,064
6. Step 6: Final answer
   x = 659,817.72