Finding the Third Proportional to 2,173,016 and 4,723,870

Step by Step Solution

1. Step 1: Write the proportion equation
   2,173,016 : 4,723,870 = 4,723,870 : x
2. Step 2: Convert to fraction form
   2,173,016/4,723,870 = 4,723,870/x
3. Step 3: Cross multiply
   2,173,016x = 4,723,870 × 4,723,870
4. Step 4: Simplify right side
   2,173,016x = 22,314,947,776,900
5. Step 5: Solve for x
   x = 22,314,947,776,900/2,173,016
6. Step 6: Final answer
   x = 10,269,113.42