Finding the Third Proportional to 3,606,396 and 5,581,290

Step by Step Solution

1. Step 1: Write the proportion equation
   3,606,396 : 5,581,290 = 5,581,290 : x
2. Step 2: Convert to fraction form
   3,606,396/5,581,290 = 5,581,290/x
3. Step 3: Cross multiply
   3,606,396x = 5,581,290 × 5,581,290
4. Step 4: Simplify right side
   3,606,396x = 31,150,798,064,100
5. Step 5: Solve for x
   x = 31,150,798,064,100/3,606,396
6. Step 6: Final answer
   x = 8,637,653.23