Finding the Third Proportional to 1,002,836 and 2,145,640

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002,836 : 2,145,640 = 2,145,640 : x
2. Step 2: Convert to fraction form
   1,002,836/2,145,640 = 2,145,640/x
3. Step 3: Cross multiply
   1,002,836x = 2,145,640 × 2,145,640
4. Step 4: Simplify right side
   1,002,836x = 4,603,771,009,600
5. Step 5: Solve for x
   x = 4,603,771,009,600/1,002,836
6. Step 6: Final answer
   x = 4,590,751.64