Finding the Third Proportional to 59,512 and 123,945

Step by Step Solution

1. Step 1: Write the proportion equation
   59,512 : 123,945 = 123,945 : x
2. Step 2: Convert to fraction form
   59,512/123,945 = 123,945/x
3. Step 3: Cross multiply
   59,512x = 123,945 × 123,945
4. Step 4: Simplify right side
   59,512x = 15,362,363,025
5. Step 5: Solve for x
   x = 15,362,363,025/59,512
6. Step 6: Final answer
   x = 258,138.91