Finding the Third Proportional to 1,585,972 and 2,553,647

Step by Step Solution

1. Step 1: Write the proportion equation
   1,585,972 : 2,553,647 = 2,553,647 : x
2. Step 2: Convert to fraction form
   1,585,972/2,553,647 = 2,553,647/x
3. Step 3: Cross multiply
   1,585,972x = 2,553,647 × 2,553,647
4. Step 4: Simplify right side
   1,585,972x = 6,521,113,000,609
5. Step 5: Solve for x
   x = 6,521,113,000,609/1,585,972
6. Step 6: Final answer
   x = 4,111,745.35