Finding the Third Proportional to 803,780 and 1,243,452

Step by Step Solution

1. Step 1: Write the proportion equation
   803,780 : 1,243,452 = 1,243,452 : x
2. Step 2: Convert to fraction form
   803,780/1,243,452 = 1,243,452/x
3. Step 3: Cross multiply
   803,780x = 1,243,452 × 1,243,452
4. Step 4: Simplify right side
   803,780x = 1,546,172,876,304
5. Step 5: Solve for x
   x = 1,546,172,876,304/803,780
6. Step 6: Final answer
   x = 1,923,626.96