Finding the Third Proportional to 105,112.69 and 164,230.03

Step by Step Solution

1. Step 1: Write the proportion equation
   105,112.69 : 164,230.03 = 164,230.03 : x
2. Step 2: Convert to fraction form
   105,112.69/164,230.03 = 164,230.03/x
3. Step 3: Cross multiply
   105,112.69x = 164,230.03 × 164,230.03
4. Step 4: Simplify right side
   105,112.69x = 26,971,503,164.38
5. Step 5: Solve for x
   x = 26,971,503,164.38/105,112.69
6. Step 6: Final answer
   x = 256,596.08