Finding the Third Proportional to 2,565,642 and 5,538,068

Step by Step Solution

1. Step 1: Write the proportion equation
   2,565,642 : 5,538,068 = 5,538,068 : x
2. Step 2: Convert to fraction form
   2,565,642/5,538,068 = 5,538,068/x
3. Step 3: Cross multiply
   2,565,642x = 5,538,068 × 5,538,068
4. Step 4: Simplify right side
   2,565,642x = 30,670,197,172,624
5. Step 5: Solve for x
   x = 30,670,197,172,624/2,565,642
6. Step 6: Final answer
   x = 11,954,199.83