Finding the Third Proportional to 645,732 and 1,274,904

Step by Step Solution

1. Step 1: Write the proportion equation
   645,732 : 1,274,904 = 1,274,904 : x
2. Step 2: Convert to fraction form
   645,732/1,274,904 = 1,274,904/x
3. Step 3: Cross multiply
   645,732x = 1,274,904 × 1,274,904
4. Step 4: Simplify right side
   645,732x = 1,625,380,209,216
5. Step 5: Solve for x
   x = 1,625,380,209,216/645,732
6. Step 6: Final answer
   x = 2,517,112.69