Finding the Third Proportional to 2,743,456 and 4,272,215

Step by Step Solution

1. Step 1: Write the proportion equation
   2,743,456 : 4,272,215 = 4,272,215 : x
2. Step 2: Convert to fraction form
   2,743,456/4,272,215 = 4,272,215/x
3. Step 3: Cross multiply
   2,743,456x = 4,272,215 × 4,272,215
4. Step 4: Simplify right side
   2,743,456x = 18,251,821,006,225
5. Step 5: Solve for x
   x = 18,251,821,006,225/2,743,456
6. Step 6: Final answer
   x = 6,652,857.20