Finding the Third Proportional to 3,243,318 and 5,087,781

Step by Step Solution

1. Step 1: Write the proportion equation
   3,243,318 : 5,087,781 = 5,087,781 : x
2. Step 2: Convert to fraction form
   3,243,318/5,087,781 = 5,087,781/x
3. Step 3: Cross multiply
   3,243,318x = 5,087,781 × 5,087,781
4. Step 4: Simplify right side
   3,243,318x = 25,885,515,503,961
5. Step 5: Solve for x
   x = 25,885,515,503,961/3,243,318
6. Step 6: Final answer
   x = 7,981,183.31