Finding the Third Proportional to 68,968 and 105,456.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,968 : 105,456.50 = 105,456.50 : x
2. Step 2: Convert to fraction form
   68,968/105,456.50 = 105,456.50/x
3. Step 3: Cross multiply
   68,968x = 105,456.50 × 105,456.50
4. Step 4: Simplify right side
   68,968x = 11,121,073,392.25
5. Step 5: Solve for x
   x = 11,121,073,392.25/68,968
6. Step 6: Final answer
   x = 161,249.76