Finding the Third Proportional to 904,287 and 1,231,491

Step by Step Solution

1. Step 1: Write the proportion equation
   904,287 : 1,231,491 = 1,231,491 : x
2. Step 2: Convert to fraction form
   904,287/1,231,491 = 1,231,491/x
3. Step 3: Cross multiply
   904,287x = 1,231,491 × 1,231,491
4. Step 4: Simplify right side
   904,287x = 1,516,570,083,081
5. Step 5: Solve for x
   x = 1,516,570,083,081/904,287
6. Step 6: Final answer
   x = 1,677,089.33