Finding the Third Proportional to 869,569 and 1,143,478

Step by Step Solution

1. Step 1: Write the proportion equation
   869,569 : 1,143,478 = 1,143,478 : x
2. Step 2: Convert to fraction form
   869,569/1,143,478 = 1,143,478/x
3. Step 3: Cross multiply
   869,569x = 1,143,478 × 1,143,478
4. Step 4: Simplify right side
   869,569x = 1,307,541,936,484
5. Step 5: Solve for x
   x = 1,307,541,936,484/869,569
6. Step 6: Final answer
   x = 1,503,666.69