Finding the Third Proportional to 205,308 and 301,320

Step by Step Solution

1. Step 1: Write the proportion equation
   205,308 : 301,320 = 301,320 : x
2. Step 2: Convert to fraction form
   205,308/301,320 = 301,320/x
3. Step 3: Cross multiply
   205,308x = 301,320 × 301,320
4. Step 4: Simplify right side
   205,308x = 90,793,742,400
5. Step 5: Solve for x
   x = 90,793,742,400/205,308
6. Step 6: Final answer
   x = 442,231.88