Finding the Third Proportional to 111,799.50 and 164,134.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,799.50 : 164,134.50 = 164,134.50 : x
2. Step 2: Convert to fraction form
   111,799.50/164,134.50 = 164,134.50/x
3. Step 3: Cross multiply
   111,799.50x = 164,134.50 × 164,134.50
4. Step 4: Simplify right side
   111,799.50x = 26,940,134,090.25
5. Step 5: Solve for x
   x = 26,940,134,090.25/111,799.50
6. Step 6: Final answer
   x = 240,968.29