Finding the Third Proportional to 139,294 and 300,754

Step by Step Solution

1. Step 1: Write the proportion equation
   139,294 : 300,754 = 300,754 : x
2. Step 2: Convert to fraction form
   139,294/300,754 = 300,754/x
3. Step 3: Cross multiply
   139,294x = 300,754 × 300,754
4. Step 4: Simplify right side
   139,294x = 90,452,968,516
5. Step 5: Solve for x
   x = 90,452,968,516/139,294
6. Step 6: Final answer
   x = 649,367.30