Finding the Third Proportional to 115,738 and 245,695

Step by Step Solution

1. Step 1: Write the proportion equation
   115,738 : 245,695 = 245,695 : x
2. Step 2: Convert to fraction form
   115,738/245,695 = 245,695/x
3. Step 3: Cross multiply
   115,738x = 245,695 × 245,695
4. Step 4: Simplify right side
   115,738x = 60,366,033,025
5. Step 5: Solve for x
   x = 60,366,033,025/115,738
6. Step 6: Final answer
   x = 521,574.88