Finding the Third Proportional to 623,635 and 1,004,365

Step by Step Solution

1. Step 1: Write the proportion equation
   623,635 : 1,004,365 = 1,004,365 : x
2. Step 2: Convert to fraction form
   623,635/1,004,365 = 1,004,365/x
3. Step 3: Cross multiply
   623,635x = 1,004,365 × 1,004,365
4. Step 4: Simplify right side
   623,635x = 1,008,749,053,225
5. Step 5: Solve for x
   x = 1,008,749,053,225/623,635
6. Step 6: Final answer
   x = 1,617,531.17