Finding the Third Proportional to 140,412 and 304,656

Step by Step Solution

1. Step 1: Write the proportion equation
   140,412 : 304,656 = 304,656 : x
2. Step 2: Convert to fraction form
   140,412/304,656 = 304,656/x
3. Step 3: Cross multiply
   140,412x = 304,656 × 304,656
4. Step 4: Simplify right side
   140,412x = 92,815,278,336
5. Step 5: Solve for x
   x = 92,815,278,336/140,412
6. Step 6: Final answer
   x = 661,020.98