Finding the Third Proportional to 1,208,592 and 1,635,616

Step by Step Solution

1. Step 1: Write the proportion equation
   1,208,592 : 1,635,616 = 1,635,616 : x
2. Step 2: Convert to fraction form
   1,208,592/1,635,616 = 1,635,616/x
3. Step 3: Cross multiply
   1,208,592x = 1,635,616 × 1,635,616
4. Step 4: Simplify right side
   1,208,592x = 2,675,239,699,456
5. Step 5: Solve for x
   x = 2,675,239,699,456/1,208,592
6. Step 6: Final answer
   x = 2,213,517.63