Finding the Third Proportional to 623,858 and 1,004,691

Step by Step Solution

1. Step 1: Write the proportion equation
   623,858 : 1,004,691 = 1,004,691 : x
2. Step 2: Convert to fraction form
   623,858/1,004,691 = 1,004,691/x
3. Step 3: Cross multiply
   623,858x = 1,004,691 × 1,004,691
4. Step 4: Simplify right side
   623,858x = 1,009,404,005,481
5. Step 5: Solve for x
   x = 1,009,404,005,481/623,858
6. Step 6: Final answer
   x = 1,618,002.82