Finding the Third Proportional to 2,216,772 and 4,787,190

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216,772 : 4,787,190 = 4,787,190 : x
2. Step 2: Convert to fraction form
   2,216,772/4,787,190 = 4,787,190/x
3. Step 3: Cross multiply
   2,216,772x = 4,787,190 × 4,787,190
4. Step 4: Simplify right side
   2,216,772x = 22,917,188,096,100
5. Step 5: Solve for x
   x = 22,917,188,096,100/2,216,772
6. Step 6: Final answer
   x = 10,338,089.84