Finding the Third Proportional to 115,065 and 238,118

Step by Step Solution

1. Step 1: Write the proportion equation
   115,065 : 238,118 = 238,118 : x
2. Step 2: Convert to fraction form
   115,065/238,118 = 238,118/x
3. Step 3: Cross multiply
   115,065x = 238,118 × 238,118
4. Step 4: Simplify right side
   115,065x = 56,700,181,924
5. Step 5: Solve for x
   x = 56,700,181,924/115,065
6. Step 6: Final answer
   x = 492,766.54