Finding the Third Proportional to 1,307,856 and 1,999,800

Step by Step Solution

1. Step 1: Write the proportion equation
   1,307,856 : 1,999,800 = 1,999,800 : x
2. Step 2: Convert to fraction form
   1,307,856/1,999,800 = 1,999,800/x
3. Step 3: Cross multiply
   1,307,856x = 1,999,800 × 1,999,800
4. Step 4: Simplify right side
   1,307,856x = 3,999,200,040,000
5. Step 5: Solve for x
   x = 3,999,200,040,000/1,307,856
6. Step 6: Final answer
   x = 3,057,829.03