Finding the Third Proportional to 814,338 and 1,268,040

Step by Step Solution

1. Step 1: Write the proportion equation
   814,338 : 1,268,040 = 1,268,040 : x
2. Step 2: Convert to fraction form
   814,338/1,268,040 = 1,268,040/x
3. Step 3: Cross multiply
   814,338x = 1,268,040 × 1,268,040
4. Step 4: Simplify right side
   814,338x = 1,607,925,441,600
5. Step 5: Solve for x
   x = 1,607,925,441,600/814,338
6. Step 6: Final answer
   x = 1,974,518.49