Finding the Third Proportional to 3,618,398 and 5,597,636

Step by Step Solution

1. Step 1: Write the proportion equation
   3,618,398 : 5,597,636 = 5,597,636 : x
2. Step 2: Convert to fraction form
   3,618,398/5,597,636 = 5,597,636/x
3. Step 3: Cross multiply
   3,618,398x = 5,597,636 × 5,597,636
4. Step 4: Simplify right side
   3,618,398x = 31,333,528,788,496
5. Step 5: Solve for x
   x = 31,333,528,788,496/3,618,398
6. Step 6: Final answer
   x = 8,659,503.13