Finding the Third Proportional to 139,740 and 301,612

Step by Step Solution

1. Step 1: Write the proportion equation
   139,740 : 301,612 = 301,612 : x
2. Step 2: Convert to fraction form
   139,740/301,612 = 301,612/x
3. Step 3: Cross multiply
   139,740x = 301,612 × 301,612
4. Step 4: Simplify right side
   139,740x = 90,969,798,544
5. Step 5: Solve for x
   x = 90,969,798,544/139,740
6. Step 6: Final answer
   x = 650,993.26