Finding the Third Proportional to 123,906 and 192,131

Step by Step Solution

1. Step 1: Write the proportion equation
   123,906 : 192,131 = 192,131 : x
2. Step 2: Convert to fraction form
   123,906/192,131 = 192,131/x
3. Step 3: Cross multiply
   123,906x = 192,131 × 192,131
4. Step 4: Simplify right side
   123,906x = 36,914,321,161
5. Step 5: Solve for x
   x = 36,914,321,161/123,906
6. Step 6: Final answer
   x = 297,921.98