Finding the Third Proportional to 202,100.50 and 317,036

Step by Step Solution

1. Step 1: Write the proportion equation
   202,100.50 : 317,036 = 317,036 : x
2. Step 2: Convert to fraction form
   202,100.50/317,036 = 317,036/x
3. Step 3: Cross multiply
   202,100.50x = 317,036 × 317,036
4. Step 4: Simplify right side
   202,100.50x = 100,511,825,296
5. Step 5: Solve for x
   x = 100,511,825,296/202,100.50
6. Step 6: Final answer
   x = 497,335.86