Finding the Third Proportional to 139,849 and 301,811

Step by Step Solution

1. Step 1: Write the proportion equation
   139,849 : 301,811 = 301,811 : x
2. Step 2: Convert to fraction form
   139,849/301,811 = 301,811/x
3. Step 3: Cross multiply
   139,849x = 301,811 × 301,811
4. Step 4: Simplify right side
   139,849x = 91,089,879,721
5. Step 5: Solve for x
   x = 91,089,879,721/139,849
6. Step 6: Final answer
   x = 651,344.52