Finding the Third Proportional to 2,157,012 and 4,738,068

Step by Step Solution

1. Step 1: Write the proportion equation
   2,157,012 : 4,738,068 = 4,738,068 : x
2. Step 2: Convert to fraction form
   2,157,012/4,738,068 = 4,738,068/x
3. Step 3: Cross multiply
   2,157,012x = 4,738,068 × 4,738,068
4. Step 4: Simplify right side
   2,157,012x = 22,449,288,372,624
5. Step 5: Solve for x
   x = 22,449,288,372,624/2,157,012
6. Step 6: Final answer
   x = 10,407,586.22