Finding the Third Proportional to 243,338 and 325,500

Step by Step Solution

1. Step 1: Write the proportion equation
   243,338 : 325,500 = 325,500 : x
2. Step 2: Convert to fraction form
   243,338/325,500 = 325,500/x
3. Step 3: Cross multiply
   243,338x = 325,500 × 325,500
4. Step 4: Simplify right side
   243,338x = 105,950,250,000
5. Step 5: Solve for x
   x = 105,950,250,000/243,338
6. Step 6: Final answer
   x = 435,403.64