Finding the Third Proportional to 623,642 and 1,004,316

Step by Step Solution

1. Step 1: Write the proportion equation
   623,642 : 1,004,316 = 1,004,316 : x
2. Step 2: Convert to fraction form
   623,642/1,004,316 = 1,004,316/x
3. Step 3: Cross multiply
   623,642x = 1,004,316 × 1,004,316
4. Step 4: Simplify right side
   623,642x = 1,008,650,627,856
5. Step 5: Solve for x
   x = 1,008,650,627,856/623,642
6. Step 6: Final answer
   x = 1,617,355.19