Finding the Third Proportional to 86,655 and 116,949

Step by Step Solution

1. Step 1: Write the proportion equation
   86,655 : 116,949 = 116,949 : x
2. Step 2: Convert to fraction form
   86,655/116,949 = 116,949/x
3. Step 3: Cross multiply
   86,655x = 116,949 × 116,949
4. Step 4: Simplify right side
   86,655x = 13,677,068,601
5. Step 5: Solve for x
   x = 13,677,068,601/86,655
6. Step 6: Final answer
   x = 157,833.58