Finding the Third Proportional to 2,456,458 and 5,286,164

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456,458 : 5,286,164 = 5,286,164 : x
2. Step 2: Convert to fraction form
   2,456,458/5,286,164 = 5,286,164/x
3. Step 3: Cross multiply
   2,456,458x = 5,286,164 × 5,286,164
4. Step 4: Simplify right side
   2,456,458x = 27,943,529,834,896
5. Step 5: Solve for x
   x = 27,943,529,834,896/2,456,458
6. Step 6: Final answer
   x = 11,375,537.39