Finding the Third Proportional to 59,291 and 139,961

Step by Step Solution

1. Step 1: Write the proportion equation
   59,291 : 139,961 = 139,961 : x
2. Step 2: Convert to fraction form
   59,291/139,961 = 139,961/x
3. Step 3: Cross multiply
   59,291x = 139,961 × 139,961
4. Step 4: Simplify right side
   59,291x = 19,589,081,521
5. Step 5: Solve for x
   x = 19,589,081,521/59,291
6. Step 6: Final answer
   x = 330,388.79