Finding the Third Proportional to 139,398 and 301,836

Step by Step Solution

1. Step 1: Write the proportion equation
   139,398 : 301,836 = 301,836 : x
2. Step 2: Convert to fraction form
   139,398/301,836 = 301,836/x
3. Step 3: Cross multiply
   139,398x = 301,836 × 301,836
4. Step 4: Simplify right side
   139,398x = 91,104,970,896
5. Step 5: Solve for x
   x = 91,104,970,896/139,398
6. Step 6: Final answer
   x = 653,560.10