Finding the Third Proportional to 671,480 and 1,442,348

Step by Step Solution

1. Step 1: Write the proportion equation
   671,480 : 1,442,348 = 1,442,348 : x
2. Step 2: Convert to fraction form
   671,480/1,442,348 = 1,442,348/x
3. Step 3: Cross multiply
   671,480x = 1,442,348 × 1,442,348
4. Step 4: Simplify right side
   671,480x = 2,080,367,753,104
5. Step 5: Solve for x
   x = 2,080,367,753,104/671,480
6. Step 6: Final answer
   x = 3,098,182.75