Finding the Third Proportional to 2,212,744 and 4,827,620

Step by Step Solution

1. Step 1: Write the proportion equation
   2,212,744 : 4,827,620 = 4,827,620 : x
2. Step 2: Convert to fraction form
   2,212,744/4,827,620 = 4,827,620/x
3. Step 3: Cross multiply
   2,212,744x = 4,827,620 × 4,827,620
4. Step 4: Simplify right side
   2,212,744x = 23,305,914,864,400
5. Step 5: Solve for x
   x = 23,305,914,864,400/2,212,744
6. Step 6: Final answer
   x = 10,532,585.27