Finding the Third Proportional to 146,244 and 317,544

Step by Step Solution

1. Step 1: Write the proportion equation
   146,244 : 317,544 = 317,544 : x
2. Step 2: Convert to fraction form
   146,244/317,544 = 317,544/x
3. Step 3: Cross multiply
   146,244x = 317,544 × 317,544
4. Step 4: Simplify right side
   146,244x = 100,834,191,936
5. Step 5: Solve for x
   x = 100,834,191,936/146,244
6. Step 6: Final answer
   x = 689,492.85