Finding the Third Proportional to 801,354 and 1,145,857

Step by Step Solution

1. Step 1: Write the proportion equation
   801,354 : 1,145,857 = 1,145,857 : x
2. Step 2: Convert to fraction form
   801,354/1,145,857 = 1,145,857/x
3. Step 3: Cross multiply
   801,354x = 1,145,857 × 1,145,857
4. Step 4: Simplify right side
   801,354x = 1,312,988,264,449
5. Step 5: Solve for x
   x = 1,312,988,264,449/801,354
6. Step 6: Final answer
   x = 1,638,462.23