Finding the Third Proportional to 918,170 and 1,998,930

Step by Step Solution

1. Step 1: Write the proportion equation
   918,170 : 1,998,930 = 1,998,930 : x
2. Step 2: Convert to fraction form
   918,170/1,998,930 = 1,998,930/x
3. Step 3: Cross multiply
   918,170x = 1,998,930 × 1,998,930
4. Step 4: Simplify right side
   918,170x = 3,995,721,144,900
5. Step 5: Solve for x
   x = 3,995,721,144,900/918,170
6. Step 6: Final answer
   x = 4,351,831.52