Finding the Third Proportional to 139,562 and 204,807

Step by Step Solution

1. Step 1: Write the proportion equation
   139,562 : 204,807 = 204,807 : x
2. Step 2: Convert to fraction form
   139,562/204,807 = 204,807/x
3. Step 3: Cross multiply
   139,562x = 204,807 × 204,807
4. Step 4: Simplify right side
   139,562x = 41,945,907,249
5. Step 5: Solve for x
   x = 41,945,907,249/139,562
6. Step 6: Final answer
   x = 300,553.93