Finding the Third Proportional to 2,689,308 and 5,826,636

Step by Step Solution

1. Step 1: Write the proportion equation
   2,689,308 : 5,826,636 = 5,826,636 : x
2. Step 2: Convert to fraction form
   2,689,308/5,826,636 = 5,826,636/x
3. Step 3: Cross multiply
   2,689,308x = 5,826,636 × 5,826,636
4. Step 4: Simplify right side
   2,689,308x = 33,949,687,076,496
5. Step 5: Solve for x
   x = 33,949,687,076,496/2,689,308
6. Step 6: Final answer
   x = 12,623,949.01