Finding the Third Proportional to 3,243,328 and 5,087,800

Step by Step Solution

1. Step 1: Write the proportion equation
   3,243,328 : 5,087,800 = 5,087,800 : x
2. Step 2: Convert to fraction form
   3,243,328/5,087,800 = 5,087,800/x
3. Step 3: Cross multiply
   3,243,328x = 5,087,800 × 5,087,800
4. Step 4: Simplify right side
   3,243,328x = 25,885,708,840,000
5. Step 5: Solve for x
   x = 25,885,708,840,000/3,243,328
6. Step 6: Final answer
   x = 7,981,218.32