Finding the Third Proportional to 68,795 and 140,505.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,795 : 140,505.50 = 140,505.50 : x
2. Step 2: Convert to fraction form
   68,795/140,505.50 = 140,505.50/x
3. Step 3: Cross multiply
   68,795x = 140,505.50 × 140,505.50
4. Step 4: Simplify right side
   68,795x = 19,741,795,530.25
5. Step 5: Solve for x
   x = 19,741,795,530.25/68,795
6. Step 6: Final answer
   x = 286,965.56