Finding the Third Proportional to 5,729,238 and 8,285,490

Step by Step Solution

1. Step 1: Write the proportion equation
   5,729,238 : 8,285,490 = 8,285,490 : x
2. Step 2: Convert to fraction form
   5,729,238/8,285,490 = 8,285,490/x
3. Step 3: Cross multiply
   5,729,238x = 8,285,490 × 8,285,490
4. Step 4: Simplify right side
   5,729,238x = 68,649,344,540,100
5. Step 5: Solve for x
   x = 68,649,344,540,100/5,729,238
6. Step 6: Final answer
   x = 11,982,281.86