Finding the Third Proportional to 668,448 and 1,443,444

Step by Step Solution

1. Step 1: Write the proportion equation
   668,448 : 1,443,444 = 1,443,444 : x
2. Step 2: Convert to fraction form
   668,448/1,443,444 = 1,443,444/x
3. Step 3: Cross multiply
   668,448x = 1,443,444 × 1,443,444
4. Step 4: Simplify right side
   668,448x = 2,083,530,581,136
5. Step 5: Solve for x
   x = 2,083,530,581,136/668,448
6. Step 6: Final answer
   x = 3,116,967.33