Finding the Third Proportional to 40,618 and 59,199

Step by Step Solution

1. Step 1: Write the proportion equation
   40,618 : 59,199 = 59,199 : x
2. Step 2: Convert to fraction form
   40,618/59,199 = 59,199/x
3. Step 3: Cross multiply
   40,618x = 59,199 × 59,199
4. Step 4: Simplify right side
   40,618x = 3,504,521,601
5. Step 5: Solve for x
   x = 3,504,521,601/40,618
6. Step 6: Final answer
   x = 86,280.01