Finding the Third Proportional to 807,624 and 1,245,132

Step by Step Solution

1. Step 1: Write the proportion equation
   807,624 : 1,245,132 = 1,245,132 : x
2. Step 2: Convert to fraction form
   807,624/1,245,132 = 1,245,132/x
3. Step 3: Cross multiply
   807,624x = 1,245,132 × 1,245,132
4. Step 4: Simplify right side
   807,624x = 1,550,353,697,424
5. Step 5: Solve for x
   x = 1,550,353,697,424/807,624
6. Step 6: Final answer
   x = 1,919,647.88