Finding the Third Proportional to 31,551.75 and 68,933.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,551.75 : 68,933.25 = 68,933.25 : x
2. Step 2: Convert to fraction form
   31,551.75/68,933.25 = 68,933.25/x
3. Step 3: Cross multiply
   31,551.75x = 68,933.25 × 68,933.25
4. Step 4: Simplify right side
   31,551.75x = 4,751,792,955.56
5. Step 5: Solve for x
   x = 4,751,792,955.56/31,551.75
6. Step 6: Final answer
   x = 150,603.15