Finding the Third Proportional to 707,878 and 1,540,170

Step by Step Solution

1. Step 1: Write the proportion equation
   707,878 : 1,540,170 = 1,540,170 : x
2. Step 2: Convert to fraction form
   707,878/1,540,170 = 1,540,170/x
3. Step 3: Cross multiply
   707,878x = 1,540,170 × 1,540,170
4. Step 4: Simplify right side
   707,878x = 2,372,123,628,900
5. Step 5: Solve for x
   x = 2,372,123,628,900/707,878
6. Step 6: Final answer
   x = 3,351,034.54