Finding the Third Proportional to 5,470,649 and 12,663,562

Step by Step Solution

1. Step 1: Write the proportion equation
   5,470,649 : 12,663,562 = 12,663,562 : x
2. Step 2: Convert to fraction form
   5,470,649/12,663,562 = 12,663,562/x
3. Step 3: Cross multiply
   5,470,649x = 12,663,562 × 12,663,562
4. Step 4: Simplify right side
   5,470,649x = 160,365,802,527,844
5. Step 5: Solve for x
   x = 160,365,802,527,844/5,470,649
6. Step 6: Final answer
   x = 29,313,853.35