Finding the Third Proportional to 2,513,675 and 5,381,631

Step by Step Solution

1. Step 1: Write the proportion equation
   2,513,675 : 5,381,631 = 5,381,631 : x
2. Step 2: Convert to fraction form
   2,513,675/5,381,631 = 5,381,631/x
3. Step 3: Cross multiply
   2,513,675x = 5,381,631 × 5,381,631
4. Step 4: Simplify right side
   2,513,675x = 28,961,952,220,161
5. Step 5: Solve for x
   x = 28,961,952,220,161/2,513,675
6. Step 6: Final answer
   x = 11,521,756.88