Finding the Third Proportional to 2,415,156 and 5,208,642

Step by Step Solution

1. Step 1: Write the proportion equation
   2,415,156 : 5,208,642 = 5,208,642 : x
2. Step 2: Convert to fraction form
   2,415,156/5,208,642 = 5,208,642/x
3. Step 3: Cross multiply
   2,415,156x = 5,208,642 × 5,208,642
4. Step 4: Simplify right side
   2,415,156x = 27,129,951,484,164
5. Step 5: Solve for x
   x = 27,129,951,484,164/2,415,156
6. Step 6: Final answer
   x = 11,233,208.74