Finding the Third Proportional to 803,648 and 1,768,000

Step by Step Solution

1. Step 1: Write the proportion equation
   803,648 : 1,768,000 = 1,768,000 : x
2. Step 2: Convert to fraction form
   803,648/1,768,000 = 1,768,000/x
3. Step 3: Cross multiply
   803,648x = 1,768,000 × 1,768,000
4. Step 4: Simplify right side
   803,648x = 3,125,824,000,000
5. Step 5: Solve for x
   x = 3,125,824,000,000/803,648
6. Step 6: Final answer
   x = 3,889,543.68