Finding the Third Proportional to 818,584 and 1,722,000

Step by Step Solution

1. Step 1: Write the proportion equation
   818,584 : 1,722,000 = 1,722,000 : x
2. Step 2: Convert to fraction form
   818,584/1,722,000 = 1,722,000/x
3. Step 3: Cross multiply
   818,584x = 1,722,000 × 1,722,000
4. Step 4: Simplify right side
   818,584x = 2,965,284,000,000
5. Step 5: Solve for x
   x = 2,965,284,000,000/818,584
6. Step 6: Final answer
   x = 3,622,455.36