Finding the Third Proportional to 868,564 and 1,253,019

Step by Step Solution

1. Step 1: Write the proportion equation
   868,564 : 1,253,019 = 1,253,019 : x
2. Step 2: Convert to fraction form
   868,564/1,253,019 = 1,253,019/x
3. Step 3: Cross multiply
   868,564x = 1,253,019 × 1,253,019
4. Step 4: Simplify right side
   868,564x = 1,570,056,614,361
5. Step 5: Solve for x
   x = 1,570,056,614,361/868,564
6. Step 6: Final answer
   x = 1,807,646.43