Finding the Third Proportional to 5,470,916 and 12,665,250

Step by Step Solution

1. Step 1: Write the proportion equation
   5,470,916 : 12,665,250 = 12,665,250 : x
2. Step 2: Convert to fraction form
   5,470,916/12,665,250 = 12,665,250/x
3. Step 3: Cross multiply
   5,470,916x = 12,665,250 × 12,665,250
4. Step 4: Simplify right side
   5,470,916x = 160,408,557,562,500
5. Step 5: Solve for x
   x = 160,408,557,562,500/5,470,916
6. Step 6: Final answer
   x = 29,320,237.70