Finding the Third Proportional to 623,672 and 1,004,412

Step by Step Solution

1. Step 1: Write the proportion equation
   623,672 : 1,004,412 = 1,004,412 : x
2. Step 2: Convert to fraction form
   623,672/1,004,412 = 1,004,412/x
3. Step 3: Cross multiply
   623,672x = 1,004,412 × 1,004,412
4. Step 4: Simplify right side
   623,672x = 1,008,843,465,744
5. Step 5: Solve for x
   x = 1,008,843,465,744/623,672
6. Step 6: Final answer
   x = 1,617,586.59