Finding the Third Proportional to 2,688,554 and 4,259,253

Step by Step Solution

1. Step 1: Write the proportion equation
   2,688,554 : 4,259,253 = 4,259,253 : x
2. Step 2: Convert to fraction form
   2,688,554/4,259,253 = 4,259,253/x
3. Step 3: Cross multiply
   2,688,554x = 4,259,253 × 4,259,253
4. Step 4: Simplify right side
   2,688,554x = 18,141,236,118,009
5. Step 5: Solve for x
   x = 18,141,236,118,009/2,688,554
6. Step 6: Final answer
   x = 6,747,581.09