Finding the Third Proportional to 1,253,109 and 2,017,689

Step by Step Solution

1. Step 1: Write the proportion equation
   1,253,109 : 2,017,689 = 2,017,689 : x
2. Step 2: Convert to fraction form
   1,253,109/2,017,689 = 2,017,689/x
3. Step 3: Cross multiply
   1,253,109x = 2,017,689 × 2,017,689
4. Step 4: Simplify right side
   1,253,109x = 4,071,068,900,721
5. Step 5: Solve for x
   x = 4,071,068,900,721/1,253,109
6. Step 6: Final answer
   x = 3,248,774.77