Finding the Third Proportional to 222,184 and 317,500

Step by Step Solution

1. Step 1: Write the proportion equation
   222,184 : 317,500 = 317,500 : x
2. Step 2: Convert to fraction form
   222,184/317,500 = 317,500/x
3. Step 3: Cross multiply
   222,184x = 317,500 × 317,500
4. Step 4: Simplify right side
   222,184x = 100,806,250,000
5. Step 5: Solve for x
   x = 100,806,250,000/222,184
6. Step 6: Final answer
   x = 453,706.16