Finding the Third Proportional to 127,695.50 and 259,039

Step by Step Solution

1. Step 1: Write the proportion equation
   127,695.50 : 259,039 = 259,039 : x
2. Step 2: Convert to fraction form
   127,695.50/259,039 = 259,039/x
3. Step 3: Cross multiply
   127,695.50x = 259,039 × 259,039
4. Step 4: Simplify right side
   127,695.50x = 67,101,203,521
5. Step 5: Solve for x
   x = 67,101,203,521/127,695.50
6. Step 6: Final answer
   x = 525,478.22