Finding the Third Proportional to 814,345 and 1,268,054

Step by Step Solution

1. Step 1: Write the proportion equation
   814,345 : 1,268,054 = 1,268,054 : x
2. Step 2: Convert to fraction form
   814,345/1,268,054 = 1,268,054/x
3. Step 3: Cross multiply
   814,345x = 1,268,054 × 1,268,054
4. Step 4: Simplify right side
   814,345x = 1,607,960,946,916
5. Step 5: Solve for x
   x = 1,607,960,946,916/814,345
6. Step 6: Final answer
   x = 1,974,545.12