Finding the Third Proportional to 407,885.63 and 874,800

Step by Step Solution

1. Step 1: Write the proportion equation
   407,885.63 : 874,800 = 874,800 : x
2. Step 2: Convert to fraction form
   407,885.63/874,800 = 874,800/x
3. Step 3: Cross multiply
   407,885.63x = 874,800 × 874,800
4. Step 4: Simplify right side
   407,885.63x = 765,275,040,000
5. Step 5: Solve for x
   x = 765,275,040,000/407,885.63
6. Step 6: Final answer
   x = 1,876,200.07