Finding the Third Proportional to 2,216,223 and 4,852,821

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216,223 : 4,852,821 = 4,852,821 : x
2. Step 2: Convert to fraction form
   2,216,223/4,852,821 = 4,852,821/x
3. Step 3: Cross multiply
   2,216,223x = 4,852,821 × 4,852,821
4. Step 4: Simplify right side
   2,216,223x = 23,549,871,658,041
5. Step 5: Solve for x
   x = 23,549,871,658,041/2,216,223
6. Step 6: Final answer
   x = 10,626,129.08