Finding the Third Proportional to 2,603,635 and 5,640,302

Step by Step Solution

1. Step 1: Write the proportion equation
   2,603,635 : 5,640,302 = 5,640,302 : x
2. Step 2: Convert to fraction form
   2,603,635/5,640,302 = 5,640,302/x
3. Step 3: Cross multiply
   2,603,635x = 5,640,302 × 5,640,302
4. Step 4: Simplify right side
   2,603,635x = 31,813,006,651,204
5. Step 5: Solve for x
   x = 31,813,006,651,204/2,603,635
6. Step 6: Final answer
   x = 12,218,689.12