Finding the Third Proportional to 5,470,674 and 12,663,630

Step by Step Solution

1. Step 1: Write the proportion equation
   5,470,674 : 12,663,630 = 12,663,630 : x
2. Step 2: Convert to fraction form
   5,470,674/12,663,630 = 12,663,630/x
3. Step 3: Cross multiply
   5,470,674x = 12,663,630 × 12,663,630
4. Step 4: Simplify right side
   5,470,674x = 160,367,524,776,900
5. Step 5: Solve for x
   x = 160,367,524,776,900/5,470,674
6. Step 6: Final answer
   x = 29,314,034.21