Finding the Third Proportional to 142,947 and 304,383

Step by Step Solution

1. Step 1: Write the proportion equation
   142,947 : 304,383 = 304,383 : x
2. Step 2: Convert to fraction form
   142,947/304,383 = 304,383/x
3. Step 3: Cross multiply
   142,947x = 304,383 × 304,383
4. Step 4: Simplify right side
   142,947x = 92,649,010,689
5. Step 5: Solve for x
   x = 92,649,010,689/142,947
6. Step 6: Final answer
   x = 648,135.40