Finding the Third Proportional to 2,236,800 and 3,420,254

Step by Step Solution

1. Step 1: Write the proportion equation
   2,236,800 : 3,420,254 = 3,420,254 : x
2. Step 2: Convert to fraction form
   2,236,800/3,420,254 = 3,420,254/x
3. Step 3: Cross multiply
   2,236,800x = 3,420,254 × 3,420,254
4. Step 4: Simplify right side
   2,236,800x = 11,698,137,424,516
5. Step 5: Solve for x
   x = 11,698,137,424,516/2,236,800
6. Step 6: Final answer
   x = 5,229,854.00