Finding the Third Proportional to 1,774,078 and 2,779,800

Step by Step Solution

1. Step 1: Write the proportion equation
   1,774,078 : 2,779,800 = 2,779,800 : x
2. Step 2: Convert to fraction form
   1,774,078/2,779,800 = 2,779,800/x
3. Step 3: Cross multiply
   1,774,078x = 2,779,800 × 2,779,800
4. Step 4: Simplify right side
   1,774,078x = 7,727,288,040,000
5. Step 5: Solve for x
   x = 7,727,288,040,000/1,774,078
6. Step 6: Final answer
   x = 4,355,664.20