Finding the Third Proportional to 59,515 and 123,961

Step by Step Solution

1. Step 1: Write the proportion equation
   59,515 : 123,961 = 123,961 : x
2. Step 2: Convert to fraction form
   59,515/123,961 = 123,961/x
3. Step 3: Cross multiply
   59,515x = 123,961 × 123,961
4. Step 4: Simplify right side
   59,515x = 15,366,329,521
5. Step 5: Solve for x
   x = 15,366,329,521/59,515
6. Step 6: Final answer
   x = 258,192.55