Finding the Third Proportional to 2,608,278 and 5,530,572

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608,278 : 5,530,572 = 5,530,572 : x
2. Step 2: Convert to fraction form
   2,608,278/5,530,572 = 5,530,572/x
3. Step 3: Cross multiply
   2,608,278x = 5,530,572 × 5,530,572
4. Step 4: Simplify right side
   2,608,278x = 30,587,226,647,184
5. Step 5: Solve for x
   x = 30,587,226,647,184/2,608,278
6. Step 6: Final answer
   x = 11,726,981.04