Finding the Third Proportional to 68,710.62 and 105,109.37

Step by Step Solution

1. Step 1: Write the proportion equation
   68,710.62 : 105,109.37 = 105,109.37 : x
2. Step 2: Convert to fraction form
   68,710.62/105,109.37 = 105,109.37/x
3. Step 3: Cross multiply
   68,710.62x = 105,109.37 × 105,109.37
4. Step 4: Simplify right side
   68,710.62x = 11,047,978,659.97
5. Step 5: Solve for x
   x = 11,047,978,659.97/68,710.62
6. Step 6: Final answer
   x = 160,789.96