Finding the Third Proportional to 2,456,856 and 5,316,144

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456,856 : 5,316,144 = 5,316,144 : x
2. Step 2: Convert to fraction form
   2,456,856/5,316,144 = 5,316,144/x
3. Step 3: Cross multiply
   2,456,856x = 5,316,144 × 5,316,144
4. Step 4: Simplify right side
   2,456,856x = 28,261,387,028,736
5. Step 5: Solve for x
   x = 28,261,387,028,736/2,456,856
6. Step 6: Final answer
   x = 11,503,070.20