Finding the Third Proportional to 2,098,570 and 4,518,211

Step by Step Solution

1. Step 1: Write the proportion equation
   2,098,570 : 4,518,211 = 4,518,211 : x
2. Step 2: Convert to fraction form
   2,098,570/4,518,211 = 4,518,211/x
3. Step 3: Cross multiply
   2,098,570x = 4,518,211 × 4,518,211
4. Step 4: Simplify right side
   2,098,570x = 20,414,230,640,521
5. Step 5: Solve for x
   x = 20,414,230,640,521/2,098,570
6. Step 6: Final answer
   x = 9,727,686.30