Finding the Third Proportional to 280,320 and 658,092

Step by Step Solution

1. Step 1: Write the proportion equation
   280,320 : 658,092 = 658,092 : x
2. Step 2: Convert to fraction form
   280,320/658,092 = 658,092/x
3. Step 3: Cross multiply
   280,320x = 658,092 × 658,092
4. Step 4: Simplify right side
   280,320x = 433,085,080,464
5. Step 5: Solve for x
   x = 433,085,080,464/280,320
6. Step 6: Final answer
   x = 1,544,966.75