Finding the Third Proportional to 2,738,720 and 4,006,640

Step by Step Solution

1. Step 1: Write the proportion equation
   2,738,720 : 4,006,640 = 4,006,640 : x
2. Step 2: Convert to fraction form
   2,738,720/4,006,640 = 4,006,640/x
3. Step 3: Cross multiply
   2,738,720x = 4,006,640 × 4,006,640
4. Step 4: Simplify right side
   2,738,720x = 16,053,164,089,600
5. Step 5: Solve for x
   x = 16,053,164,089,600/2,738,720
6. Step 6: Final answer
   x = 5,861,557.26