Finding the Third Proportional to 2,279,862 and 3,557,817

Step by Step Solution

1. Step 1: Write the proportion equation
   2,279,862 : 3,557,817 = 3,557,817 : x
2. Step 2: Convert to fraction form
   2,279,862/3,557,817 = 3,557,817/x
3. Step 3: Cross multiply
   2,279,862x = 3,557,817 × 3,557,817
4. Step 4: Simplify right side
   2,279,862x = 12,658,061,805,489
5. Step 5: Solve for x
   x = 12,658,061,805,489/2,279,862
6. Step 6: Final answer
   x = 5,552,117.54