Finding the Third Proportional to 673,518 and 1,440,429

Step by Step Solution

1. Step 1: Write the proportion equation
   673,518 : 1,440,429 = 1,440,429 : x
2. Step 2: Convert to fraction form
   673,518/1,440,429 = 1,440,429/x
3. Step 3: Cross multiply
   673,518x = 1,440,429 × 1,440,429
4. Step 4: Simplify right side
   673,518x = 2,074,835,704,041
5. Step 5: Solve for x
   x = 2,074,835,704,041/673,518
6. Step 6: Final answer
   x = 3,080,594.29