Finding the Third Proportional to 3,552,872 and 5,128,110

Step by Step Solution

1. Step 1: Write the proportion equation
   3,552,872 : 5,128,110 = 5,128,110 : x
2. Step 2: Convert to fraction form
   3,552,872/5,128,110 = 5,128,110/x
3. Step 3: Cross multiply
   3,552,872x = 5,128,110 × 5,128,110
4. Step 4: Simplify right side
   3,552,872x = 26,297,512,172,100
5. Step 5: Solve for x
   x = 26,297,512,172,100/3,552,872
6. Step 6: Final answer
   x = 7,401,761.78