Finding the Third Proportional to 115,085 and 238,162

Step by Step Solution

1. Step 1: Write the proportion equation
   115,085 : 238,162 = 238,162 : x
2. Step 2: Convert to fraction form
   115,085/238,162 = 238,162/x
3. Step 3: Cross multiply
   115,085x = 238,162 × 238,162
4. Step 4: Simplify right side
   115,085x = 56,721,138,244
5. Step 5: Solve for x
   x = 56,721,138,244/115,085
6. Step 6: Final answer
   x = 492,863.00