Finding the Third Proportional to 140,520 and 304,320

Step by Step Solution

1. Step 1: Write the proportion equation
   140,520 : 304,320 = 304,320 : x
2. Step 2: Convert to fraction form
   140,520/304,320 = 304,320/x
3. Step 3: Cross multiply
   140,520x = 304,320 × 304,320
4. Step 4: Simplify right side
   140,520x = 92,610,662,400
5. Step 5: Solve for x
   x = 92,610,662,400/140,520
6. Step 6: Final answer
   x = 659,056.81