Finding the Third Proportional to 116,687 and 238,301

Step by Step Solution

1. Step 1: Write the proportion equation
   116,687 : 238,301 = 238,301 : x
2. Step 2: Convert to fraction form
   116,687/238,301 = 238,301/x
3. Step 3: Cross multiply
   116,687x = 238,301 × 238,301
4. Step 4: Simplify right side
   116,687x = 56,787,366,601
5. Step 5: Solve for x
   x = 56,787,366,601/116,687
6. Step 6: Final answer
   x = 486,664.04