Finding the Third Proportional to 494,640 and 1,066,080

Step by Step Solution

1. Step 1: Write the proportion equation
   494,640 : 1,066,080 = 1,066,080 : x
2. Step 2: Convert to fraction form
   494,640/1,066,080 = 1,066,080/x
3. Step 3: Cross multiply
   494,640x = 1,066,080 × 1,066,080
4. Step 4: Simplify right side
   494,640x = 1,136,526,566,400
5. Step 5: Solve for x
   x = 1,136,526,566,400/494,640
6. Step 6: Final answer
   x = 2,297,684.31