Finding the Third Proportional to 2,171,108 and 4,630,774

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171,108 : 4,630,774 = 4,630,774 : x
2. Step 2: Convert to fraction form
   2,171,108/4,630,774 = 4,630,774/x
3. Step 3: Cross multiply
   2,171,108x = 4,630,774 × 4,630,774
4. Step 4: Simplify right side
   2,171,108x = 21,444,067,839,076
5. Step 5: Solve for x
   x = 21,444,067,839,076/2,171,108
6. Step 6: Final answer
   x = 9,877,015.72