Finding the Third Proportional to 1,668,310 and 3,572,780

Step by Step Solution

1. Step 1: Write the proportion equation
   1,668,310 : 3,572,780 = 3,572,780 : x
2. Step 2: Convert to fraction form
   1,668,310/3,572,780 = 3,572,780/x
3. Step 3: Cross multiply
   1,668,310x = 3,572,780 × 3,572,780
4. Step 4: Simplify right side
   1,668,310x = 12,764,756,928,400
5. Step 5: Solve for x
   x = 12,764,756,928,400/1,668,310
6. Step 6: Final answer
   x = 7,651,309.97