Finding the Third Proportional to 400,056 and 874,799

Step by Step Solution

1. Step 1: Write the proportion equation
   400,056 : 874,799 = 874,799 : x
2. Step 2: Convert to fraction form
   400,056/874,799 = 874,799/x
3. Step 3: Cross multiply
   400,056x = 874,799 × 874,799
4. Step 4: Simplify right side
   400,056x = 765,273,290,401
5. Step 5: Solve for x
   x = 765,273,290,401/400,056
6. Step 6: Final answer
   x = 1,912,915.42