Finding the Third Proportional to 40,536 and 60,642

Step by Step Solution

1. Step 1: Write the proportion equation
   40,536 : 60,642 = 60,642 : x
2. Step 2: Convert to fraction form
   40,536/60,642 = 60,642/x
3. Step 3: Cross multiply
   40,536x = 60,642 × 60,642
4. Step 4: Simplify right side
   40,536x = 3,677,452,164
5. Step 5: Solve for x
   x = 3,677,452,164/40,536
6. Step 6: Final answer
   x = 90,720.65