Finding the Third Proportional to 3,555,788 and 5,648,598

Step by Step Solution

1. Step 1: Write the proportion equation
   3,555,788 : 5,648,598 = 5,648,598 : x
2. Step 2: Convert to fraction form
   3,555,788/5,648,598 = 5,648,598/x
3. Step 3: Cross multiply
   3,555,788x = 5,648,598 × 5,648,598
4. Step 4: Simplify right side
   3,555,788x = 31,906,659,365,604
5. Step 5: Solve for x
   x = 31,906,659,365,604/3,555,788
6. Step 6: Final answer
   x = 8,973,161.33