Finding the Third Proportional to 671,468 and 1,442,320

Step by Step Solution

1. Step 1: Write the proportion equation
   671,468 : 1,442,320 = 1,442,320 : x
2. Step 2: Convert to fraction form
   671,468/1,442,320 = 1,442,320/x
3. Step 3: Cross multiply
   671,468x = 1,442,320 × 1,442,320
4. Step 4: Simplify right side
   671,468x = 2,080,286,982,400
5. Step 5: Solve for x
   x = 2,080,286,982,400/671,468
6. Step 6: Final answer
   x = 3,098,117.83