Finding the Third Proportional to 668,488 and 1,443,499

Step by Step Solution

1. Step 1: Write the proportion equation
   668,488 : 1,443,499 = 1,443,499 : x
2. Step 2: Convert to fraction form
   668,488/1,443,499 = 1,443,499/x
3. Step 3: Cross multiply
   668,488x = 1,443,499 × 1,443,499
4. Step 4: Simplify right side
   668,488x = 2,083,689,363,001
5. Step 5: Solve for x
   x = 2,083,689,363,001/668,488
6. Step 6: Final answer
   x = 3,117,018.35