Finding the Third Proportional to 139,634 and 301,406

Step by Step Solution

1. Step 1: Write the proportion equation
   139,634 : 301,406 = 301,406 : x
2. Step 2: Convert to fraction form
   139,634/301,406 = 301,406/x
3. Step 3: Cross multiply
   139,634x = 301,406 × 301,406
4. Step 4: Simplify right side
   139,634x = 90,845,576,836
5. Step 5: Solve for x
   x = 90,845,576,836/139,634
6. Step 6: Final answer
   x = 650,597.83