Finding the Third Proportional to 11,412,536 and 17,728,216

Step by Step Solution

1. Step 1: Write the proportion equation
   11,412,536 : 17,728,216 = 17,728,216 : x
2. Step 2: Convert to fraction form
   11,412,536/17,728,216 = 17,728,216/x
3. Step 3: Cross multiply
   11,412,536x = 17,728,216 × 17,728,216
4. Step 4: Simplify right side
   11,412,536x = 314,289,642,542,656
5. Step 5: Solve for x
   x = 314,289,642,542,656/11,412,536
6. Step 6: Final answer
   x = 27,538,983.67