Finding the Third Proportional to 138,514.50 and 303,303

Step by Step Solution

1. Step 1: Write the proportion equation
   138,514.50 : 303,303 = 303,303 : x
2. Step 2: Convert to fraction form
   138,514.50/303,303 = 303,303/x
3. Step 3: Cross multiply
   138,514.50x = 303,303 × 303,303
4. Step 4: Simplify right side
   138,514.50x = 91,992,709,809
5. Step 5: Solve for x
   x = 91,992,709,809/138,514.50
6. Step 6: Final answer
   x = 664,137.76