Finding the Third Proportional to 440,624 and 700,404

Step by Step Solution

1. Step 1: Write the proportion equation
   440,624 : 700,404 = 700,404 : x
2. Step 2: Convert to fraction form
   440,624/700,404 = 700,404/x
3. Step 3: Cross multiply
   440,624x = 700,404 × 700,404
4. Step 4: Simplify right side
   440,624x = 490,565,763,216
5. Step 5: Solve for x
   x = 490,565,763,216/440,624
6. Step 6: Final answer
   x = 1,113,343.27