Finding the Third Proportional to 2,212,856 and 4,827,856

Step by Step Solution

1. Step 1: Write the proportion equation
   2,212,856 : 4,827,856 = 4,827,856 : x
2. Step 2: Convert to fraction form
   2,212,856/4,827,856 = 4,827,856/x
3. Step 3: Cross multiply
   2,212,856x = 4,827,856 × 4,827,856
4. Step 4: Simplify right side
   2,212,856x = 23,308,193,556,736
5. Step 5: Solve for x
   x = 23,308,193,556,736/2,212,856
6. Step 6: Final answer
   x = 10,533,081.93