Finding the Third Proportional to 663,567 and 1,451,321

Step by Step Solution

1. Step 1: Write the proportion equation
   663,567 : 1,451,321 = 1,451,321 : x
2. Step 2: Convert to fraction form
   663,567/1,451,321 = 1,451,321/x
3. Step 3: Cross multiply
   663,567x = 1,451,321 × 1,451,321
4. Step 4: Simplify right side
   663,567x = 2,106,332,645,041
5. Step 5: Solve for x
   x = 2,106,332,645,041/663,567
6. Step 6: Final answer
   x = 3,174,257.68