Finding the Third Proportional to 139,082 and 188,930

Step by Step Solution

1. Step 1: Write the proportion equation
   139,082 : 188,930 = 188,930 : x
2. Step 2: Convert to fraction form
   139,082/188,930 = 188,930/x
3. Step 3: Cross multiply
   139,082x = 188,930 × 188,930
4. Step 4: Simplify right side
   139,082x = 35,694,544,900
5. Step 5: Solve for x
   x = 35,694,544,900/139,082
6. Step 6: Final answer
   x = 256,643.89