Finding the Third Proportional to 5,455,160 and 8,182,740

Step by Step Solution

1. Step 1: Write the proportion equation
   5,455,160 : 8,182,740 = 8,182,740 : x
2. Step 2: Convert to fraction form
   5,455,160/8,182,740 = 8,182,740/x
3. Step 3: Cross multiply
   5,455,160x = 8,182,740 × 8,182,740
4. Step 4: Simplify right side
   5,455,160x = 66,957,233,907,600
5. Step 5: Solve for x
   x = 66,957,233,907,600/5,455,160
6. Step 6: Final answer
   x = 12,274,110