Finding the Third Proportional to 623,826 and 1,004,643

Step by Step Solution

1. Step 1: Write the proportion equation
   623,826 : 1,004,643 = 1,004,643 : x
2. Step 2: Convert to fraction form
   623,826/1,004,643 = 1,004,643/x
3. Step 3: Cross multiply
   623,826x = 1,004,643 × 1,004,643
4. Step 4: Simplify right side
   623,826x = 1,009,307,557,449
5. Step 5: Solve for x
   x = 1,009,307,557,449/623,826
6. Step 6: Final answer
   x = 1,617,931.21