Finding the Third Proportional to 5,613,244 and 8,470,388

Step by Step Solution

1. Step 1: Write the proportion equation
   5,613,244 : 8,470,388 = 8,470,388 : x
2. Step 2: Convert to fraction form
   5,613,244/8,470,388 = 8,470,388/x
3. Step 3: Cross multiply
   5,613,244x = 8,470,388 × 8,470,388
4. Step 4: Simplify right side
   5,613,244x = 71,747,472,870,544
5. Step 5: Solve for x
   x = 71,747,472,870,544/5,613,244
6. Step 6: Final answer
   x = 12,781,819.72