Finding the Third Proportional to 40,638 and 59,373

Step by Step Solution

1. Step 1: Write the proportion equation
   40,638 : 59,373 = 59,373 : x
2. Step 2: Convert to fraction form
   40,638/59,373 = 59,373/x
3. Step 3: Cross multiply
   40,638x = 59,373 × 59,373
4. Step 4: Simplify right side
   40,638x = 3,525,153,129
5. Step 5: Solve for x
   x = 3,525,153,129/40,638
6. Step 6: Final answer
   x = 86,745.24