Finding the Third Proportional to 1,297,632 and 2,066,360

Step by Step Solution

1. Step 1: Write the proportion equation
   1,297,632 : 2,066,360 = 2,066,360 : x
2. Step 2: Convert to fraction form
   1,297,632/2,066,360 = 2,066,360/x
3. Step 3: Cross multiply
   1,297,632x = 2,066,360 × 2,066,360
4. Step 4: Simplify right side
   1,297,632x = 4,269,843,649,600
5. Step 5: Solve for x
   x = 4,269,843,649,600/1,297,632
6. Step 6: Final answer
   x = 3,290,488.87