Finding the Third Proportional to 49,288 and 72,636

Step by Step Solution

1. Step 1: Write the proportion equation
   49,288 : 72,636 = 72,636 : x
2. Step 2: Convert to fraction form
   49,288/72,636 = 72,636/x
3. Step 3: Cross multiply
   49,288x = 72,636 × 72,636
4. Step 4: Simplify right side
   49,288x = 5,275,988,496
5. Step 5: Solve for x
   x = 5,275,988,496/49,288
6. Step 6: Final answer
   x = 107,044.08