Finding the Third Proportional to 54,705.38 and 116,989.31

Step by Step Solution

1. Step 1: Write the proportion equation
   54,705.38 : 116,989.31 = 116,989.31 : x
2. Step 2: Convert to fraction form
   54,705.38/116,989.31 = 116,989.31/x
3. Step 3: Cross multiply
   54,705.38x = 116,989.31 × 116,989.31
4. Step 4: Simplify right side
   54,705.38x = 13,686,499,239.22
5. Step 5: Solve for x
   x = 13,686,499,239.22/54,705.38
6. Step 6: Final answer
   x = 250,185.64