Finding the Third Proportional to 31,533 and 69,628

Step by Step Solution

1. Step 1: Write the proportion equation
   31,533 : 69,628 = 69,628 : x
2. Step 2: Convert to fraction form
   31,533/69,628 = 69,628/x
3. Step 3: Cross multiply
   31,533x = 69,628 × 69,628
4. Step 4: Simplify right side
   31,533x = 4,848,058,384
5. Step 5: Solve for x
   x = 4,848,058,384/31,533
6. Step 6: Final answer
   x = 153,745.55