Finding the Third Proportional to 714,918 and 1,488,642

Step by Step Solution

1. Step 1: Write the proportion equation
   714,918 : 1,488,642 = 1,488,642 : x
2. Step 2: Convert to fraction form
   714,918/1,488,642 = 1,488,642/x
3. Step 3: Cross multiply
   714,918x = 1,488,642 × 1,488,642
4. Step 4: Simplify right side
   714,918x = 2,216,055,004,164
5. Step 5: Solve for x
   x = 2,216,055,004,164/714,918
6. Step 6: Final answer
   x = 3,099,733.12