Finding the Third Proportional to 2,188,500 and 3,273,990

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188,500 : 3,273,990 = 3,273,990 : x
2. Step 2: Convert to fraction form
   2,188,500/3,273,990 = 3,273,990/x
3. Step 3: Cross multiply
   2,188,500x = 3,273,990 × 3,273,990
4. Step 4: Simplify right side
   2,188,500x = 10,719,010,520,100
5. Step 5: Solve for x
   x = 10,719,010,520,100/2,188,500
6. Step 6: Final answer
   x = 4,897,880.06