Finding the Third Proportional to 115,738.50 and 245,697

Step by Step Solution

1. Step 1: Write the proportion equation
   115,738.50 : 245,697 = 245,697 : x
2. Step 2: Convert to fraction form
   115,738.50/245,697 = 245,697/x
3. Step 3: Cross multiply
   115,738.50x = 245,697 × 245,697
4. Step 4: Simplify right side
   115,738.50x = 60,367,015,809
5. Step 5: Solve for x
   x = 60,367,015,809/115,738.50
6. Step 6: Final answer
   x = 521,581.11