Finding the Third Proportional to 68,042.25 and 105,789.38

Step by Step Solution

1. Step 1: Write the proportion equation
   68,042.25 : 105,789.38 = 105,789.38 : x
2. Step 2: Convert to fraction form
   68,042.25/105,789.38 = 105,789.38/x
3. Step 3: Cross multiply
   68,042.25x = 105,789.38 × 105,789.38
4. Step 4: Simplify right side
   68,042.25x = 11,191,391,862.89
5. Step 5: Solve for x
   x = 11,191,391,862.89/68,042.25
6. Step 6: Final answer
   x = 164,477.10