Finding the Third Proportional to 679,104 and 1,488,780

Step by Step Solution

1. Step 1: Write the proportion equation
   679,104 : 1,488,780 = 1,488,780 : x
2. Step 2: Convert to fraction form
   679,104/1,488,780 = 1,488,780/x
3. Step 3: Cross multiply
   679,104x = 1,488,780 × 1,488,780
4. Step 4: Simplify right side
   679,104x = 2,216,465,888,400
5. Step 5: Solve for x
   x = 2,216,465,888,400/679,104
6. Step 6: Final answer
   x = 3,263,809.21