Finding the Third Proportional to 139,758 and 301,647

Step by Step Solution

1. Step 1: Write the proportion equation
   139,758 : 301,647 = 301,647 : x
2. Step 2: Convert to fraction form
   139,758/301,647 = 301,647/x
3. Step 3: Cross multiply
   139,758x = 301,647 × 301,647
4. Step 4: Simplify right side
   139,758x = 90,990,912,609
5. Step 5: Solve for x
   x = 90,990,912,609/139,758
6. Step 6: Final answer
   x = 651,060.49