Finding the Third Proportional to 497,640 and 1,079,272

Step by Step Solution

1. Step 1: Write the proportion equation
   497,640 : 1,079,272 = 1,079,272 : x
2. Step 2: Convert to fraction form
   497,640/1,079,272 = 1,079,272/x
3. Step 3: Cross multiply
   497,640x = 1,079,272 × 1,079,272
4. Step 4: Simplify right side
   497,640x = 1,164,828,049,984
5. Step 5: Solve for x
   x = 1,164,828,049,984/497,640
6. Step 6: Final answer
   x = 2,340,704.22