Finding the Third Proportional to 145,833 and 238,131

Step by Step Solution

1. Step 1: Write the proportion equation
   145,833 : 238,131 = 238,131 : x
2. Step 2: Convert to fraction form
   145,833/238,131 = 238,131/x
3. Step 3: Cross multiply
   145,833x = 238,131 × 238,131
4. Step 4: Simplify right side
   145,833x = 56,706,373,161
5. Step 5: Solve for x
   x = 56,706,373,161/145,833
6. Step 6: Final answer
   x = 388,844.59