Finding the Third Proportional to 2,157,195 and 4,681,077

Step by Step Solution

1. Step 1: Write the proportion equation
   2,157,195 : 4,681,077 = 4,681,077 : x
2. Step 2: Convert to fraction form
   2,157,195/4,681,077 = 4,681,077/x
3. Step 3: Cross multiply
   2,157,195x = 4,681,077 × 4,681,077
4. Step 4: Simplify right side
   2,157,195x = 21,912,481,879,929
5. Step 5: Solve for x
   x = 21,912,481,879,929/2,157,195
6. Step 6: Final answer
   x = 10,157,858.65