Finding the Third Proportional to 3,980,588 and 5,999,556

Step by Step Solution

1. Step 1: Write the proportion equation
   3,980,588 : 5,999,556 = 5,999,556 : x
2. Step 2: Convert to fraction form
   3,980,588/5,999,556 = 5,999,556/x
3. Step 3: Cross multiply
   3,980,588x = 5,999,556 × 5,999,556
4. Step 4: Simplify right side
   3,980,588x = 35,994,672,197,136
5. Step 5: Solve for x
   x = 35,994,672,197,136/3,980,588
6. Step 6: Final answer
   x = 9,042,551.55