Finding the Third Proportional to 31,745.25 and 67,862.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,745.25 : 67,862.25 = 67,862.25 : x
2. Step 2: Convert to fraction form
   31,745.25/67,862.25 = 67,862.25/x
3. Step 3: Cross multiply
   31,745.25x = 67,862.25 × 67,862.25
4. Step 4: Simplify right side
   31,745.25x = 4,605,284,975.06
5. Step 5: Solve for x
   x = 4,605,284,975.06/31,745.25
6. Step 6: Final answer
   x = 145,070.05