Finding the Third Proportional to 1,002,645 and 2,087,907

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002,645 : 2,087,907 = 2,087,907 : x
2. Step 2: Convert to fraction form
   1,002,645/2,087,907 = 2,087,907/x
3. Step 3: Cross multiply
   1,002,645x = 2,087,907 × 2,087,907
4. Step 4: Simplify right side
   1,002,645x = 4,359,355,640,649
5. Step 5: Solve for x
   x = 4,359,355,640,649/1,002,645
6. Step 6: Final answer
   x = 4,347,855.56