Finding the Third Proportional to 2,443,385 and 5,211,270

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443,385 : 5,211,270 = 5,211,270 : x
2. Step 2: Convert to fraction form
   2,443,385/5,211,270 = 5,211,270/x
3. Step 3: Cross multiply
   2,443,385x = 5,211,270 × 5,211,270
4. Step 4: Simplify right side
   2,443,385x = 27,157,335,012,900
5. Step 5: Solve for x
   x = 27,157,335,012,900/2,443,385
6. Step 6: Final answer
   x = 11,114,636.05