Finding the Third Proportional to 194,436 and 317,496

Step by Step Solution

1. Step 1: Write the proportion equation
   194,436 : 317,496 = 317,496 : x
2. Step 2: Convert to fraction form
   194,436/317,496 = 317,496/x
3. Step 3: Cross multiply
   194,436x = 317,496 × 317,496
4. Step 4: Simplify right side
   194,436x = 100,803,710,016
5. Step 5: Solve for x
   x = 100,803,710,016/194,436
6. Step 6: Final answer
   x = 518,441.60