Finding the Third Proportional to 1,728,622 and 3,734,210

Step by Step Solution

1. Step 1: Write the proportion equation
   1,728,622 : 3,734,210 = 3,734,210 : x
2. Step 2: Convert to fraction form
   1,728,622/3,734,210 = 3,734,210/x
3. Step 3: Cross multiply
   1,728,622x = 3,734,210 × 3,734,210
4. Step 4: Simplify right side
   1,728,622x = 13,944,324,324,100
5. Step 5: Solve for x
   x = 13,944,324,324,100/1,728,622
6. Step 6: Final answer
   x = 8,066,728.48