Finding the Third Proportional to 40,338 and 59,211

Step by Step Solution

1. Step 1: Write the proportion equation
   40,338 : 59,211 = 59,211 : x
2. Step 2: Convert to fraction form
   40,338/59,211 = 59,211/x
3. Step 3: Cross multiply
   40,338x = 59,211 × 59,211
4. Step 4: Simplify right side
   40,338x = 3,505,942,521
5. Step 5: Solve for x
   x = 3,505,942,521/40,338
6. Step 6: Final answer
   x = 86,914.14