Finding the Third Proportional to 45,571.50 and 68,171.25

Step by Step Solution

1. Step 1: Write the proportion equation
   45,571.50 : 68,171.25 = 68,171.25 : x
2. Step 2: Convert to fraction form
   45,571.50/68,171.25 = 68,171.25/x
3. Step 3: Cross multiply
   45,571.50x = 68,171.25 × 68,171.25
4. Step 4: Simplify right side
   45,571.50x = 4,647,319,326.56
5. Step 5: Solve for x
   x = 4,647,319,326.56/45,571.50
6. Step 6: Final answer
   x = 101,978.63