Finding the Third Proportional to 2,559,600 and 5,509,386

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559,600 : 5,509,386 = 5,509,386 : x
2. Step 2: Convert to fraction form
   2,559,600/5,509,386 = 5,509,386/x
3. Step 3: Cross multiply
   2,559,600x = 5,509,386 × 5,509,386
4. Step 4: Simplify right side
   2,559,600x = 30,353,334,096,996
5. Step 5: Solve for x
   x = 30,353,334,096,996/2,559,600
6. Step 6: Final answer
   x = 11,858,624.04