Finding the Third Proportional to 2,563,164 and 5,457,618

Step by Step Solution

1. Step 1: Write the proportion equation
   2,563,164 : 5,457,618 = 5,457,618 : x
2. Step 2: Convert to fraction form
   2,563,164/5,457,618 = 5,457,618/x
3. Step 3: Cross multiply
   2,563,164x = 5,457,618 × 5,457,618
4. Step 4: Simplify right side
   2,563,164x = 29,785,594,233,924
5. Step 5: Solve for x
   x = 29,785,594,233,924/2,563,164
6. Step 6: Final answer
   x = 11,620,635.37