Finding the Third Proportional to 2,216,590 and 4,772,204

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216,590 : 4,772,204 = 4,772,204 : x
2. Step 2: Convert to fraction form
   2,216,590/4,772,204 = 4,772,204/x
3. Step 3: Cross multiply
   2,216,590x = 4,772,204 × 4,772,204
4. Step 4: Simplify right side
   2,216,590x = 22,773,931,017,616
5. Step 5: Solve for x
   x = 22,773,931,017,616/2,216,590
6. Step 6: Final answer
   x = 10,274,309.19