Finding the Third Proportional to 2,620,320 and 5,555,564

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620,320 : 5,555,564 = 5,555,564 : x
2. Step 2: Convert to fraction form
   2,620,320/5,555,564 = 5,555,564/x
3. Step 3: Cross multiply
   2,620,320x = 5,555,564 × 5,555,564
4. Step 4: Simplify right side
   2,620,320x = 30,864,291,358,096
5. Step 5: Solve for x
   x = 30,864,291,358,096/2,620,320
6. Step 6: Final answer
   x = 11,778,825.24