Finding the Third Proportional to 1,721,144 and 3,740,800

Step by Step Solution

1. Step 1: Write the proportion equation
   1,721,144 : 3,740,800 = 3,740,800 : x
2. Step 2: Convert to fraction form
   1,721,144/3,740,800 = 3,740,800/x
3. Step 3: Cross multiply
   1,721,144x = 3,740,800 × 3,740,800
4. Step 4: Simplify right side
   1,721,144x = 13,993,584,640,000
5. Step 5: Solve for x
   x = 13,993,584,640,000/1,721,144
6. Step 6: Final answer
   x = 8,130,397.36