Finding the Third Proportional to 2,379,676 and 4,639,796

Step by Step Solution

1. Step 1: Write the proportion equation
   2,379,676 : 4,639,796 = 4,639,796 : x
2. Step 2: Convert to fraction form
   2,379,676/4,639,796 = 4,639,796/x
3. Step 3: Cross multiply
   2,379,676x = 4,639,796 × 4,639,796
4. Step 4: Simplify right side
   2,379,676x = 21,527,706,921,616
5. Step 5: Solve for x
   x = 21,527,706,921,616/2,379,676
6. Step 6: Final answer
   x = 9,046,486.55