Finding the Third Proportional to 308,300 and 675,514

Step by Step Solution

1. Step 1: Write the proportion equation
   308,300 : 675,514 = 675,514 : x
2. Step 2: Convert to fraction form
   308,300/675,514 = 675,514/x
3. Step 3: Cross multiply
   308,300x = 675,514 × 675,514
4. Step 4: Simplify right side
   308,300x = 456,319,164,196
5. Step 5: Solve for x
   x = 456,319,164,196/308,300
6. Step 6: Final answer
   x = 1,480,114.06