Finding the Third Proportional to 120,326 and 187,054

Step by Step Solution

1. Step 1: Write the proportion equation
   120,326 : 187,054 = 187,054 : x
2. Step 2: Convert to fraction form
   120,326/187,054 = 187,054/x
3. Step 3: Cross multiply
   120,326x = 187,054 × 187,054
4. Step 4: Simplify right side
   120,326x = 34,989,198,916
5. Step 5: Solve for x
   x = 34,989,198,916/120,326
6. Step 6: Final answer
   x = 290,786.69