Finding the Third Proportional to 2,179,282 and 4,788,404

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179,282 : 4,788,404 = 4,788,404 : x
2. Step 2: Convert to fraction form
   2,179,282/4,788,404 = 4,788,404/x
3. Step 3: Cross multiply
   2,179,282x = 4,788,404 × 4,788,404
4. Step 4: Simplify right side
   2,179,282x = 22,928,812,867,216
5. Step 5: Solve for x
   x = 22,928,812,867,216/2,179,282
6. Step 6: Final answer
   x = 10,521,269.33