Finding the Third Proportional to 3,606,416 and 5,581,320

Step by Step Solution

1. Step 1: Write the proportion equation
   3,606,416 : 5,581,320 = 5,581,320 : x
2. Step 2: Convert to fraction form
   3,606,416/5,581,320 = 5,581,320/x
3. Step 3: Cross multiply
   3,606,416x = 5,581,320 × 5,581,320
4. Step 4: Simplify right side
   3,606,416x = 31,151,132,942,400
5. Step 5: Solve for x
   x = 31,151,132,942,400/3,606,416
6. Step 6: Final answer
   x = 8,637,698.19