Finding the Third Proportional to 2,456,872 and 5,316,176

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456,872 : 5,316,176 = 5,316,176 : x
2. Step 2: Convert to fraction form
   2,456,872/5,316,176 = 5,316,176/x
3. Step 3: Cross multiply
   2,456,872x = 5,316,176 × 5,316,176
4. Step 4: Simplify right side
   2,456,872x = 28,261,727,262,976
5. Step 5: Solve for x
   x = 28,261,727,262,976/2,456,872
6. Step 6: Final answer
   x = 11,503,133.77