Finding the Third Proportional to 68,843.25 and 145,165.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,843.25 : 145,165.50 = 145,165.50 : x
2. Step 2: Convert to fraction form
   68,843.25/145,165.50 = 145,165.50/x
3. Step 3: Cross multiply
   68,843.25x = 145,165.50 × 145,165.50
4. Step 4: Simplify right side
   68,843.25x = 21,073,022,390.25
5. Step 5: Solve for x
   x = 21,073,022,390.25/68,843.25
6. Step 6: Final answer
   x = 306,101.50