Finding the Third Proportional to 998,608 and 2,137,184

Step by Step Solution

1. Step 1: Write the proportion equation
   998,608 : 2,137,184 = 2,137,184 : x
2. Step 2: Convert to fraction form
   998,608/2,137,184 = 2,137,184/x
3. Step 3: Cross multiply
   998,608x = 2,137,184 × 2,137,184
4. Step 4: Simplify right side
   998,608x = 4,567,555,449,856
5. Step 5: Solve for x
   x = 4,567,555,449,856/998,608
6. Step 6: Final answer
   x = 4,573,922.35